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diff --git a/03-transform.html b/03-transform.html
index 3bd6cc5a..cfe67db6 100644
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 <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
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diff --git a/04-motion.html b/04-motion.html
index dfe70d68..1f2e70a3 100644
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 <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
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 <p>The most noticeable issue is that some of the parallax values are
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index 4acdb5da..c18443b9 100644
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 <p>Previously, we ran a query on the Gaia server, downloaded data for
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diff --git a/06-join.html b/06-join.html
index 0042e6a3..d57bb502 100644
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diff --git a/07-photo.html b/07-photo.html
index f68a2d38..641f2833 100644
--- a/07-photo.html
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 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
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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>As a pathologist can easily point to tumor on a biopsy slide, so too
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index 38a59a89..1ae844d9 100644
--- a/404.html
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index 274ccf0c..a2bcdc5f 100644
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   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
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index d8c0fdbc..5c50c9cd 100644
--- a/LICENSE.html
+++ b/LICENSE.html
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 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
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 <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
@@ -2674,7 +2674,7 @@ <h3 class="callout-title">Exercise (5 minutes)<a class="anchor" aria-label="anch
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 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
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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, transformed the coordinates to the GD-1 reference
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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>Previously, we ran a query on the Gaia server, downloaded data for
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index c7fb3cba..f22fe8ea 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -485,8 +485,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/astronomy-python/instructor/key-points.html",
   "identifier": "https://datacarpentry.github.io/astronomy-python/instructor/key-points.html",
   "dateCreated": "2020-05-11",
-  "dateModified": "2024-05-21",
-  "datePublished": "2024-05-21"
+  "dateModified": "2024-05-28",
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/instructor/link-list.html b/instructor/link-list.html
index f173ad52..b5987b62 100644
--- a/instructor/link-list.html
+++ b/instructor/link-list.html
@@ -512,7 +512,7 @@ <h1>Link List</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/instructor/link-list.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/instructor/prereqs.html b/instructor/prereqs.html
index c1a4214f..5bf04a42 100644
--- a/instructor/prereqs.html
+++ b/instructor/prereqs.html
@@ -405,7 +405,7 @@ <h3 id="python-skills">Python skills<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/astronomy-python/instructor/prereqs.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 89675484..43a9fb55 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -303,8 +303,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/astronomy-python/instructor/profiles.html",
   "identifier": "https://datacarpentry.github.io/astronomy-python/instructor/profiles.html",
   "dateCreated": "2020-05-11",
-  "dateModified": "2024-05-21",
-  "datePublished": "2024-05-21"
+  "dateModified": "2024-05-28",
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index cb154fc3..3f4337ac 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -346,7 +346,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/instructor/reference.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index e053cb45..fc6f570c 100644
--- a/key-points.html
+++ b/key-points.html
@@ -477,8 +477,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/astronomy-python/key-points.html",
   "identifier": "https://datacarpentry.github.io/astronomy-python/key-points.html",
   "dateCreated": "2020-05-11",
-  "dateModified": "2024-05-21",
-  "datePublished": "2024-05-21"
+  "dateModified": "2024-05-28",
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/link-list.html b/link-list.html
index 54f4b22b..17d7091b 100644
--- a/link-list.html
+++ b/link-list.html
@@ -510,7 +510,7 @@ <h1>Link List</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/link-list.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index f2d3589f..460acf5a 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.9
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-05-21T00:05Z
+last_built: 2024-05-28T00:04Z
 
diff --git a/prereqs.html b/prereqs.html
index b099a28d..3be007fe 100644
--- a/prereqs.html
+++ b/prereqs.html
@@ -403,7 +403,7 @@ <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": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/profiles.html b/profiles.html
index 4dbf9c8e..95f1dfad 100644
--- a/profiles.html
+++ b/profiles.html
@@ -303,8 +303,8 @@ <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": "2024-05-21",
-  "datePublished": "2024-05-21"
+  "dateModified": "2024-05-28",
+  "datePublished": "2024-05-28"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 6aafa36f..c3f82853 100644
--- a/reference.html
+++ b/reference.html
@@ -344,7 +344,7 @@ <h1>Reference</h1>
   "identifier": "https://datacarpentry.github.io/astronomy-python/reference.html",
   "dateCreated": "2020-05-11",
   "dateModified": "2023-05-15",
-  "datePublished": "2024-05-21"
+  "datePublished": "2024-05-28"
 }
 
   </script><script>