Ricardo Harvin<p>My thread on <a href="https://mstdn.social/tags/PBS" class="mention hashtag" rel="tag">#<span>PBS</span></a>'s <a href="https://mstdn.social/tags/AncientEarth" class="mention hashtag" rel="tag">#<span>AncientEarth</span></a> series has me thinking that <a href="https://mstdn.social/tags/PHD" class="mention hashtag" rel="tag">#<span>PHD</span></a> <a href="https://mstdn.social/tags/physicist" class="mention hashtag" rel="tag">#<span>physicist</span></a> <a href="https://mstdn.social/tags/RebeccaSmethurst" class="mention hashtag" rel="tag">#<span>RebeccaSmethurst</span></a> may be overly optimistic in her calculations regarding the possibility of there being life as we know it existing elsewhere in the <a href="https://mstdn.social/tags/universe" class="mention hashtag" rel="tag">#<span>universe</span></a>.</p><p>Learning how many flukes of <a href="https://mstdn.social/tags/geology" class="mention hashtag" rel="tag">#<span>geology</span></a> it's taken for life on <a href="https://mstdn.social/tags/Earth" class="mention hashtag" rel="tag">#<span>Earth</span></a> to survive may leave only thousands of planets with life at all, fewer with beings with whom we might communicate.</p><p><a href="https://youtu.be/fihVzPl7Dys?si=GyoQ-uh92ru3m3ar" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="ellipsis">youtu.be/fihVzPl7Dys?si=GyoQ-u</span><span class="invisible">h92ru3m3ar</span></a></p><p>From: <span class="h-card" translate="no"><a href="https://mstdn.social/@ricardoharvin" class="u-url mention">@<span>ricardoharvin</span></a></span><br /><a href="https://mstdn.social/@ricardoharvin/111179761709023421" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="ellipsis">mstdn.social/@ricardoharvin/11</span><span class="invisible">1179761709023421</span></a></p>