David Grayless<p>Cosmic Variance was a collaborative <a href="https://mastodon.social/tags/weblog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>weblog</span></a> discussing physics, <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a>, and other topics, written by <a href="https://mastodon.social/tags/JoAnneHewett" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JoAnneHewett</span></a>, <a href="https://mastodon.social/tags/MarkTrodden" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarkTrodden</span></a>, <a href="https://mastodon.social/tags/SeanCarroll" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SeanCarroll</span></a>, <a href="https://mastodon.social/tags/RisaWechsler" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RisaWechsler</span></a>, <a href="https://mastodon.social/tags/JulianneDalcanton" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JulianneDalcanton</span></a>, <a href="https://mastodon.social/tags/CliffordJohnson" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CliffordJohnson</span></a>, <a href="https://mastodon.social/tags/JohnConway" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JohnConway</span></a>, and Daniel Holz. It was the successor to Carroll's earlier blog Preposterous Universe, which began in early 2004 and ran through much of 2005. The blog's name came from the <a href="https://mastodon.social/tags/cosmology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cosmology</span></a> concept of <a href="https://mastodon.social/tags/cosmicVariance" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cosmicVariance</span></a>.</p>