From af61f15073172b6f6d43516586e0208f978b7d84 Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Tue, 20 Aug 2024 00:38:38 +0000
Subject: [PATCH] site deploy

Auto-generated via {sandpaper}
Source  : 5aa790e84a8267953dcd7e09ae1ef1e295db5a0d
Branch  : md-outputs
Author  : GitHub Actions <actions@github.com>
Time    : 2024-05-07 17:25:35 +0000
Message : markdown source builds

Auto-generated via {sandpaper}
Source  : cd2b2ec68ab90b213f19cdeddc91fe9a2103e992
Branch  : main
Author  : Erin Becker <ebecker@carpentries.org>
Time    : 2024-03-08 23:47:43 +0000
Message : Merge pull request #209 from Nidhi-Sharma9419/main

axis changed to axes
---
 01-query.html                              | 12 ++---
 02-coords.html                             |  8 +--
 03-transform.html                          |  2 +-
 04-motion.html                             |  8 +--
 05-select.html                             | 10 ++--
 06-join.html                               |  8 +--
 07-photo.html                              |  2 +-
 08-plot.html                               | 22 ++++----
 404.html                                   |  4 +-
 CODE_OF_CONDUCT.html                       |  2 +-
 LICENSE.html                               |  2 +-
 aio.html                                   | 60 +++++++++++-----------
 calculating_MIST_isochrone.html            |  2 +-
 discuss.html                               |  2 +-
 images.html                                |  4 +-
 index.html                                 |  4 +-
 instructor-notes.html                      |  4 +-
 instructor/01-query.html                   | 12 ++---
 instructor/02-coords.html                  |  8 +--
 instructor/03-transform.html               |  2 +-
 instructor/04-motion.html                  |  8 +--
 instructor/05-select.html                  | 10 ++--
 instructor/06-join.html                    |  8 +--
 instructor/07-photo.html                   |  2 +-
 instructor/08-plot.html                    | 22 ++++----
 instructor/404.html                        |  4 +-
 instructor/CODE_OF_CONDUCT.html            |  2 +-
 instructor/LICENSE.html                    |  2 +-
 instructor/aio.html                        | 60 +++++++++++-----------
 instructor/calculating_MIST_isochrone.html |  2 +-
 instructor/discuss.html                    |  2 +-
 instructor/images.html                     |  4 +-
 instructor/index.html                      |  4 +-
 instructor/instructor-notes.html           |  4 +-
 instructor/key-points.html                 |  4 +-
 instructor/link-list.html                  |  2 +-
 instructor/prereqs.html                    |  2 +-
 instructor/profiles.html                   |  4 +-
 instructor/reference.html                  |  2 +-
 key-points.html                            |  4 +-
 link-list.html                             |  2 +-
 pkgdown.yml                                |  2 +-
 prereqs.html                               |  2 +-
 profiles.html                              |  4 +-
 reference.html                             |  2 +-
 45 files changed, 171 insertions(+), 171 deletions(-)

diff --git a/01-query.html b/01-query.html
index ec09e045..0428b830 100644
--- a/01-query.html
+++ b/01-query.html
@@ -636,7 +636,7 @@ <h3 class="callout-title">Exercise (2 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -879,7 +879,7 @@ <h3 class="callout-title">Exercise (3 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>For example, we can add radial_velocity : Radial velocity (double,
 Velocity[km/s] ) - Spectroscopic radial velocity in the solar
@@ -1040,7 +1040,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>In this example, the WHERE clause is in the wrong place.</p>
 <div class="codewrapper">
@@ -1105,7 +1105,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Here is a solution using <code>&gt;</code> and <code>&lt;</code>
 operators:</p>
@@ -1289,7 +1289,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb47">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1411,7 +1411,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/01-query.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/02-coords.html b/02-coords.html
index e7318e35..217c80e3 100644
--- a/02-coords.html
+++ b/02-coords.html
@@ -526,7 +526,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -643,7 +643,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb19">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -824,7 +824,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1307,7 +1307,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/02-coords.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/03-transform.html b/03-transform.html
index 22853641..598109a6 100644
--- a/03-transform.html
+++ b/03-transform.html
@@ -1224,7 +1224,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/03-transform.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/04-motion.html b/04-motion.html
index 46b63e21..529b1ced 100644
--- a/04-motion.html
+++ b/04-motion.html
@@ -415,7 +415,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, transformed the coordinates to the GD-1 reference
@@ -501,7 +501,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
@@ -968,7 +968,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1117,7 +1117,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/04-motion.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/05-select.html b/05-select.html
index 9f7b0b0b..aa335506 100644
--- a/05-select.html
+++ b/05-select.html
@@ -412,7 +412,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, and saved the data in a FITS file. We then
@@ -568,7 +568,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -709,7 +709,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb18">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -751,7 +751,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb19">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1054,7 +1054,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/05-select.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/06-join.html b/06-join.html
index 50f45a02..d9679d1a 100644
--- a/06-join.html
+++ b/06-join.html
@@ -423,7 +423,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we define a rectangle around stars in GD-1
 in spatial coordinates and in proper motion which we transformed into
@@ -1085,7 +1085,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb45">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1252,7 +1252,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1609,7 +1609,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/06-join.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/07-photo.html b/07-photo.html
index 7022be5c..b64f227b 100644
--- a/07-photo.html
+++ b/07-photo.html
@@ -1191,7 +1191,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/07-photo.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/08-plot.html b/08-plot.html
index 7fc3593c..e4707f37 100644
--- a/08-plot.html
+++ b/08-plot.html
@@ -417,7 +417,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we selected stars in GD-1 based on proper
 motion and downloaded the spatial, proper motion, and photometry
@@ -511,7 +511,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>No figure is perfect, and everyone can be a critic. Here are some
 topics that could come up in this discussion:</p>
@@ -586,7 +586,7 @@ <h3 class="callout-title">Exercise (20 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -713,7 +713,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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@@ -770,7 +770,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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@@ -892,7 +892,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb17">
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@@ -1011,7 +1011,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6"> Show me the solution </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Without <code>tight_layout</code> the space between the panels is too
 small. In this situation, the titles from the lower plots overlap with
@@ -1078,7 +1078,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7"> Show me the solution </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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@@ -1206,7 +1206,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8"> Show me the solution </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
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@@ -1239,7 +1239,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution9" aria-expanded="false" aria-controls="collapseSolution9">
   <h4 class="accordion-header" id="headingSolution9"> Show me the solution </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
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@@ -1367,7 +1367,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/08-plot.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 4e0d2cfd..a3e0af44 100644
--- a/404.html
+++ b/404.html
@@ -387,8 +387,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/astronomy-python/404.html",
   "identifier": "https://datacarpentry.github.io/astronomy-python/404.html",
   "dateCreated": "2020-05-11",
-  "dateModified": "2024-08-13",
-  "datePublished": "2024-08-13"
+  "dateModified": "2024-08-20",
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index acb2048e..484935fd 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -403,7 +403,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/CODE_OF_CONDUCT.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 14d69a82..1a239b9c 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -454,7 +454,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/LICENSE.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index ae3e3d8e..8487ab08 100644
--- a/aio.html
+++ b/aio.html
@@ -698,7 +698,7 @@ <h3 class="callout-title">Exercise (2 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -947,7 +947,7 @@ <h3 class="callout-title">Exercise (3 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>For example, we can add radial_velocity : Radial velocity (double,
 Velocity[km/s] ) - Spectroscopic radial velocity in the solar
@@ -1114,7 +1114,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>In this example, the WHERE clause is in the wrong place.</p>
 <div class="codewrapper">
@@ -1201,7 +1201,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4"> Show me the solution </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Here is a solution using <code>&gt;</code> and <code>&lt;</code>
 operators:</p>
@@ -1387,7 +1387,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5"> Show me the solution </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
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@@ -1644,7 +1644,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
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@@ -1765,7 +1765,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb19">
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@@ -1954,7 +1954,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
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@@ -3322,7 +3322,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, transformed the coordinates to the GD-1 reference
@@ -3412,7 +3412,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
@@ -3893,7 +3893,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
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@@ -4065,7 +4065,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, and saved the data in a FITS file. We then
@@ -4227,7 +4227,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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@@ -4374,7 +4374,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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@@ -4416,7 +4416,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
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@@ -4749,7 +4749,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we define a rectangle around stars in GD-1
 in spatial coordinates and in proper motion which we transformed into
@@ -5435,7 +5435,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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@@ -5604,7 +5604,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2"> Show me the solution </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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@@ -6804,7 +6804,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we selected stars in GD-1 based on proper
 motion and downloaded the spatial, proper motion, and photometry
@@ -6904,7 +6904,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
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 <p>Without <code>tight_layout</code> the space between the panels is too
 small. In this situation, the titles from the lower plots overlap with
@@ -7491,7 +7491,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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-  "dateModified": "2024-08-13",
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diff --git a/images.html b/images.html
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index d45dd1f3..382a37a7 100644
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 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <p>For example, we can add radial_velocity : Radial velocity (double,
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 <p>In this example, the WHERE clause is in the wrong place.</p>
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 <p>Here is a solution using <code>&gt;</code> and <code>&lt;</code>
 operators:</p>
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-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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index 151557c6..213fc948 100644
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index a3d5dae6..ce1bb8e1 100644
--- a/instructor/04-motion.html
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 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
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 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, transformed the coordinates to the GD-1 reference
@@ -503,7 +503,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
@@ -970,7 +970,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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@@ -1119,7 +1119,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/05-select.html b/instructor/05-select.html
index 4e61209f..c61d197f 100644
--- a/instructor/05-select.html
+++ b/instructor/05-select.html
@@ -414,7 +414,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
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 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, and saved the data in a FITS file. We then
@@ -570,7 +570,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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diff --git a/instructor/06-join.html b/instructor/06-join.html
index 0b9ad9ec..4257053f 100644
--- a/instructor/06-join.html
+++ b/instructor/06-join.html
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+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we define a rectangle around stars in GD-1
 in spatial coordinates and in proper motion which we transformed into
@@ -1087,7 +1087,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
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diff --git a/instructor/07-photo.html b/instructor/07-photo.html
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diff --git a/instructor/08-plot.html b/instructor/08-plot.html
index 9018a7ac..2eb9a3bf 100644
--- a/instructor/08-plot.html
+++ b/instructor/08-plot.html
@@ -419,7 +419,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler1" aria-expanded="false" aria-controls="collapseSpoiler1">
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-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>In the previous episode, we selected stars in GD-1 based on proper
 motion and downloaded the spatial, proper motion, and photometry
@@ -513,7 +513,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
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-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <p>No figure is perfect, and everyone can be a critic. Here are some
 topics that could come up in this discussion:</p>
@@ -588,7 +588,7 @@ <h3 class="callout-title">Exercise (20 minutes)<a class="anchor" aria-label="anc
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-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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@@ -1013,7 +1013,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>Without <code>tight_layout</code> the space between the panels is too
 small. In this situation, the titles from the lower plots overlap with
@@ -1080,7 +1080,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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index 42bfdb2c..55ac7c24 100644
--- a/instructor/404.html
+++ b/instructor/404.html
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-  "dateModified": "2024-08-13",
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+  "dateModified": "2024-08-20",
+  "datePublished": "2024-08-20"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 3aa9a304..d64973b7 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
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   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
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   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index c44257a3..44d138f3 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -456,7 +456,7 @@ <h1>Licenses</h1>
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   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
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diff --git a/instructor/aio.html b/instructor/aio.html
index a8bc4898..4ec72ef8 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
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 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -956,7 +956,7 @@ <h3 class="callout-title">Exercise (3 minutes)<a class="anchor" aria-label="anch
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>For example, we can add radial_velocity : Radial velocity (double,
 Velocity[km/s] ) - Spectroscopic radial velocity in the solar
@@ -1123,7 +1123,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>In this example, the WHERE clause is in the wrong place.</p>
 <div class="codewrapper">
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-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <div class="accordion-body">
 <p>Here is a solution using <code>&gt;</code> and <code>&lt;</code>
 operators:</p>
@@ -1396,7 +1396,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
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 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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@@ -1964,7 +1964,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
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   <h4 class="accordion-header" id="headingSolution3"> Show me the solution </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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@@ -3334,7 +3334,7 @@ <h3 class="callout-title">Starting from this episode<a class="anchor" aria-label
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   <h3 class="accordion-header" id="headingSpoiler1">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> Read me </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, transformed the coordinates to the GD-1 reference
@@ -3424,7 +3424,7 @@ <h3 class="callout-title">Exercise (10 minutes)<a class="anchor" aria-label="anc
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 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
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 <div class="accordion-body">
 <p>Previously, we ran a query on the Gaia server, downloaded data for
 roughly 140,000 stars, and saved the data in a FITS file. We then
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 <p>In the previous episode, we define a rectangle around stars in GD-1
 in spatial coordinates and in proper motion which we transformed into
@@ -5449,7 +5449,7 @@ <h3 class="callout-title">Exercise (15 minutes)<a class="anchor" aria-label="anc
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 <p>In the previous episode, we selected stars in GD-1 based on proper
 motion and downloaded the spatial, proper motion, and photometry
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 <p>No figure is perfect, and everyone can be a critic. Here are some
 topics that could come up in this discussion:</p>
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 <p>Without <code>tight_layout</code> the space between the panels is too
 small. In this situation, the titles from the lower plots overlap with
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index 76996e14..45ab9573 100644
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index 390d28bf..999d9830 100644
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index 80a0b282..5fc39d92 100644
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+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 8ec771c2..e438dc4d 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.0
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-08-13T00:38Z
+last_built: 2024-08-20T00:38Z
diff --git a/prereqs.html b/prereqs.html
index 5bb4b5e4..9cdf4652 100644
--- a/prereqs.html
+++ b/prereqs.html
@@ -454,7 +454,7 @@ <h3 id="python-skills">Python skills<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/prereqs.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/profiles.html b/profiles.html
index 7462265e..c9dc647b 100644
--- a/profiles.html
+++ b/profiles.html
@@ -354,8 +354,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/astronomy-python/profiles.html",
   "identifier": "https://datacarpentry.github.io/astronomy-python/profiles.html",
   "dateCreated": "2020-05-11",
-  "dateModified": "2024-08-13",
-  "datePublished": "2024-08-13"
+  "dateModified": "2024-08-20",
+  "datePublished": "2024-08-20"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index ee1222ff..cb7899df 100644
--- a/reference.html
+++ b/reference.html
@@ -395,7 +395,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/reference.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-08-13"
+  "datePublished": "2024-08-20"
 }
 
   </script><script>