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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://astrodon.social/users/spacetelescope/statuses/112162688715833645">Space Telescope Science Inst. (spacetelescope@astrodon.social)'s status on Wednesday, 27-Mar-2024 23:03:31 JST</a><a href="https://astrodon.social/@spacetelescope" title="spacetelescope@astrodon.social"><img src="https://gnusocial.jp/avatar/140439-48-20230628132554.webp" width="48" height="48" alt="Space Telescope Science Inst." style="position: absolute; left: 0; top: 0;">Space Telescope Science Inst.</a></section><article><p>It’s easy to see why NGC 1427A is classified as an irregular galaxy. Its odd arrowhead shape is a result of gas pressure and gravitational forces as it plunges into a group of galaxies at about 1.5 million miles per hour (700 km/s): <a href="https://bit.ly/3SYbOom" rel="nofollow noreferrer">https://bit.ly/3SYbOom</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/2870831#notice-5703061">In conversation</a><time datetime="2024-03-27T23:03:31+09:00" title="Wednesday, 27-Mar-2024 23:03:31 JST">about 8 months ago</time> <span>from <span><a href="https://astrodon.social/@spacetelescope/112162688715833645" rel="external" title="Sent from astrodon.social via ActivityPub">astrodon.social</a></span></span><a href="https://astrodon.social/@spacetelescope/112162688715833645">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/2427426">An irregular galaxy filled with many bright, blue stars and pink clouds of energized gas resembles the shape of a blunt arrowhead pointing upward. The portion of the arrowhead at lower right contains many more stars than the portion at lower left. A smaller, yellowish, face-on spiral galaxy is located to the left of the main galaxy at 10 o’clock. Dozens of foreground stars are scattered across the image.</a></label><br><a href="https://cdn.masto.host/astrodonsocial/media_attachments/files/112/162/683/625/314/022/original/7f13ca900521754f.jpg" rel="external">https://cdn.masto.host/astrodonsocial/media_attachments/files/112/162/683/625/314/022/original/7f13ca900521754f.jpg</a></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/2427427">Untitled attachment</a></label><br></li></ol></footer></blockquote>

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Space Telescope Science Inst. (spacetelescope@astrodon.social)'s status on Wednesday, 27-Mar-2024 23:03:31 JST Space Telescope Science Inst.
It’s easy to see why NGC 1427A is classified as an irregular galaxy. Its odd arrowhead shape is a result of gas pressure and gravitational forces as it plunges into a group of galaxies at about 1.5 million miles per hour (700 km/s): https://bit.ly/3SYbOom
In conversationabout 8 months ago from astrodon.socialpermalink
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1. An irregular galaxy filled with many bright, blue stars and pink clouds of energized gas resembles the shape of a blunt arrowhead pointing upward. The portion of the arrowhead at lower right contains many more stars than the portion at lower left. A smaller, yellowish, face-on spiral galaxy is located to the left of the main galaxy at 10 o’clock. Dozens of foreground stars are scattered across the image.
  https://cdn.masto.host/astrodonsocial/media_attachments/files/112/162/683/625/314/022/original/7f13ca900521754f.jpg
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