Astronomy Picture of the Day<p>APOD from 2025-04-15</p><p>Planetary <a href="https://mastodon.bot/tags/Nebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nebula</span></a> NGC 1514 from <a href="https://mastodon.bot/tags/Webb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Webb</span></a></p><p>When a star like the Sun dies, it forms a white dwarf and expels its outer layers as a planetary nebula. NGC 1514's chaotic bubbles in visible light form an hourglass shape in <a href="https://mastodon.bot/tags/infrared" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infrared</span></a> from JWST, hinting at a cylindrical structure seen diagonally with a binary system at its core.</p><p>HD image at <a href="https://apod.nasa.gov/apod/ap250415.html#space" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">apod.nasa.gov/apod/ap250415.ht</span><span class="invisible">ml#space</span></a> <a href="https://mastodon.bot/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.bot/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.bot/tags/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</span></a></p>