From 681de200ac94f31fde4f6497e4b39cfae5ddf09e Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Tue, 29 Oct 2024 00:44:28 +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                              |  2 +-
 02-coords.html                             |  2 +-
 03-transform.html                          |  6 ++---
 04-motion.html                             |  8 +++----
 05-select.html                             |  2 +-
 06-join.html                               |  8 +++----
 07-photo.html                              | 10 ++++----
 08-plot.html                               |  2 +-
 404.html                                   |  4 ++--
 CODE_OF_CONDUCT.html                       |  2 +-
 LICENSE.html                               |  2 +-
 aio.html                                   | 28 +++++++++++-----------
 calculating_MIST_isochrone.html            |  2 +-
 discuss.html                               |  2 +-
 images.html                                |  4 ++--
 index.html                                 |  4 ++--
 instructor-notes.html                      |  4 ++--
 instructor/01-query.html                   |  2 +-
 instructor/02-coords.html                  |  2 +-
 instructor/03-transform.html               |  6 ++---
 instructor/04-motion.html                  |  8 +++----
 instructor/05-select.html                  |  2 +-
 instructor/06-join.html                    |  8 +++----
 instructor/07-photo.html                   | 10 ++++----
 instructor/08-plot.html                    |  2 +-
 instructor/404.html                        |  4 ++--
 instructor/CODE_OF_CONDUCT.html            |  2 +-
 instructor/LICENSE.html                    |  2 +-
 instructor/aio.html                        | 28 +++++++++++-----------
 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, 107 insertions(+), 107 deletions(-)

diff --git a/01-query.html b/01-query.html
index 92a3334b..f94b46eb 100644
--- a/01-query.html
+++ b/01-query.html
@@ -1390,7 +1390,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/01-query.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/02-coords.html b/02-coords.html
index 9227e217..bf78dc65 100644
--- a/02-coords.html
+++ b/02-coords.html
@@ -1292,7 +1292,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/02-coords.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/03-transform.html b/03-transform.html
index 6d758a0d..480f1575 100644
--- a/03-transform.html
+++ b/03-transform.html
@@ -415,7 +415,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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 ran a query on the Gaia server,
 downloaded data for roughly 140,000 stars, and saved the data in a FITS
@@ -686,7 +686,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb23">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1209,7 +1209,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/03-transform.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/04-motion.html b/04-motion.html
index 076b711b..53badf2f 100644
--- a/04-motion.html
+++ b/04-motion.html
@@ -413,7 +413,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <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
@@ -497,7 +497,7 @@ <h3 class="callout-title">Exercise (10 minutes)</h3>
 <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">
 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
@@ -957,7 +957,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb44">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1103,7 +1103,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/04-motion.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/05-select.html b/05-select.html
index 136c6160..fb6fa52d 100644
--- a/05-select.html
+++ b/05-select.html
@@ -1041,7 +1041,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/05-select.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/06-join.html b/06-join.html
index ce32aa48..f378a310 100644
--- a/06-join.html
+++ b/06-join.html
@@ -421,7 +421,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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
@@ -1072,7 +1072,7 @@ <h3 class="callout-title">Exercise (15 minutes)</h3>
 <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>
@@ -1237,7 +1237,7 @@ <h3 class="callout-title">Exercise (15 minutes)</h3>
 <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>
@@ -1588,7 +1588,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/06-join.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/07-photo.html b/07-photo.html
index 00e393f4..74c03b1c 100644
--- a/07-photo.html
+++ b/07-photo.html
@@ -418,7 +418,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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
@@ -478,7 +478,7 @@ <h3 class="callout-title">A slight detour for non-domain experts</h3>
 <button class="accordion-button spoiler-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSpoiler2" aria-expanded="false" aria-controls="collapseSpoiler2">
   <h3 class="accordion-header" id="headingSpoiler2">  <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="eye"></i></div> The color magnitude diagram of GD-1 and foreground stars </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>As a pathologist can easily point to tumor on a biopsy slide, so too
 can astronomers who study stellar populations see two stellar main
@@ -859,7 +859,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb30">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -964,7 +964,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb38">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1176,7 +1176,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/07-photo.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/08-plot.html b/08-plot.html
index f4744cd2..2ef1f3bb 100644
--- a/08-plot.html
+++ b/08-plot.html
@@ -1344,7 +1344,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://datacarpentry.github.io/astronomy-python/08-plot.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2024-05-07",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 9a2cc1fe..baea622d 100644
--- a/404.html
+++ b/404.html
@@ -386,8 +386,8 @@ <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": "2024-10-22",
-  "datePublished": "2024-10-22"
+  "dateModified": "2024-10-29",
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index e93f8a3e..9abf5ccc 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": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index a2a54adc..ed5c0c50 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -451,7 +451,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/LICENSE.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-10-22"
+  "datePublished": "2024-10-29"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 149282f1..29821260 100644
--- a/aio.html
+++ b/aio.html
@@ -2431,7 +2431,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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 ran a query on the Gaia server,
 downloaded data for roughly 140,000 stars, and saved the data in a FITS
@@ -2708,7 +2708,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb23">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3269,7 +3269,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
 <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
@@ -3357,7 +3357,7 @@ <h3 class="callout-title">Exercise (10 minutes)</h3>
 <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">
 <p>The most noticeable issue is that some of the parallax values are
 negative, which seems non-physical.</p>
@@ -3831,7 +3831,7 @@ <h3 class="callout-title">Exercise (5 minutes)</h3>
 <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="cb44">
 <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -4669,7 +4669,7 @@ <h3 class="callout-title">Starting from this episode</h3>
 <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
@@ -5344,7 +5344,7 @@ <h3 class="callout-title">Exercise (15 minutes)</h3>
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 <p>In the previous episode, we selected stars in GD-1 based on proper
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 <p>In the previous episode, we ran a query on the Gaia server,
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 <p>Previously, we ran a query on the Gaia server, downloaded data for
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 <p>The most noticeable issue is that some of the parallax values are
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 <p>In the previous episode, we define a rectangle around stars in GD-1
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 <p>In the previous episode, we selected stars in GD-1 based on proper
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 <p>As a pathologist can easily point to tumor on a biopsy slide, so too
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