Jürgen<p>Keele University and Universidad de Alicante <a href="https://norden.social/tags/astronomers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomers</span></a> believe a <a href="https://norden.social/tags/supernova" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>supernova</span></a> explosion close to <a href="https://norden.social/tags/Earth" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Earth</span></a> could be to blame for both the Late Devonian and Ordovician <a href="https://norden.social/tags/extinction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>extinction</span></a> events, which occurred 372 and 445 million years ago respectively.</p><p><a href="https://www.sci.news/astronomy/nearby-supernova-explosions-mass-extinctions-13746.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sci.news/astronomy/nearby-supe</span><span class="invisible">rnova-explosions-mass-extinctions-13746.html</span></a></p><p><a href="https://norden.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a></p>