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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.online/users/astro_jcm/statuses/113119678454654683">Juan Carlos Muñoz (astro_jcm@mastodon.online)'s status on Thursday, 12-Sep-2024 03:55:44 JST</a><a href="https://mastodon.online/@astro_jcm" title="astro_jcm@mastodon.online"><img src="https://gnusocial.jp/avatar/20098-48-20221201175735.webp" width="48" height="48" alt="Juan Carlos Muñoz" style="position: absolute; left: 0; top: 0;">Juan Carlos Muñoz</a></section><article><p>1/ It's amazing that we can see details on the surface of some stars, but watching them move is even cooler 🤩</p><p>Using ALMA, astronomers have followed the motion of gas bubbles on the red giant star R Doradus over the course of a month. The bubbles are huge, about 75 times bigger than the Sun!</p><p>Press release: <a href="https://www.eso.org/public/news/eso2412/" rel="nofollow noreferrer">https://www.eso.org/public/news/eso2412/</a><br>Video summary: <a href="https://www.youtube.com/watch?v=jaxyu4RP9-I" rel="nofollow noreferrer">https://www.youtube.com/watch?v=jaxyu4RP9-I</a></p><p>📷 ALMA (ESO/NAOJ/NRAO)/W. Vlemmings et al.</p><p><a href="https://mastodon.online/tags/astrodon" rel="tag">#astrodon</a> <a href="https://mastodon.online/tags/astronomy" rel="tag">#astronomy</a> <a href="https://mastodon.online/tags/science" rel="tag">#science</a> <a href="https://mastodon.online/tags/space" rel="tag">#space</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/3651635#notice-7155407">In conversation</a><time datetime="2024-09-12T03:55:44+09:00" title="Thursday, 12-Sep-2024 03:55:44 JST">about 2 months ago</time> <span>from <span><a href="https://mastodon.online/@astro_jcm/113119678454654683" rel="external" title="Sent from mastodon.online via ActivityPub">mastodon.online</a></span></span><a href="https://mastodon.online/@astro_jcm/113119678454654683">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/3155673">Three images in a row are labelled, from left to right, ‘2023-07-18,’ ‘2023-07-27,’ and ‘2023-08-02’, respectively. Each image shows a blurry, yellow sphere with dark and light patches, against a grainy, brown background. The patches move and change between each image. In the bottom left of the first image, the outline of a circle slightly smaller than the yellow sphere is labelled, ‘Earth’s orbit’.</a></label><br><a href="https://files.mastodon.online/media_attachments/files/113/119/678/323/056/315/original/df3c8996bbea0c96.png" rel="external">https://files.mastodon.online/media_attachments/files/113/119/678/323/056/315/original/df3c8996bbea0c96.png</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: cdn.eso.org</div><h5><a href="https://www.eso.org/public/news/eso2412/">Astronomers track bubbles on star’s surface in most detailed video yet</a></h5><div> from <span>@ESO</span></div></header><div>For the first time, astronomers have captured images of a star other than the Sun in enough detail to track the motion of bubbling gas on its surface. The images of the star, R Doradus, were obtained with the Atacama Large Millimeter/submillimeter Array (ALMA), a telescope co-owned by the European Southern Observatory (ESO), in July and August 2023. They show giant, hot bubbles of gas, 75 times the size of the Sun, appearing on the surface and sinking back into the star’s interior faster than expected.</div><footer></footer></article></li><li><article><header><img height="128" width="128" src="https://gnusocial.jp/thumbnail/3155676?w=128&amp;h=128"><h5><a href="https://www.youtube.com/watch?v=jaxyu4RP9-I">Stellar bubbles captured by ALMA | ESO News</a></h5><div> from <span>European Southern Observatory (ESO)</span></div></header><div>The Atacama Large Millimeter/submillimeter Array (ALMA), in which ESO is a partner, has captured images of the bubbling surface of the star R Doradus — the f...</div><footer></footer></article></li></ol></footer></blockquote>

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Juan Carlos Muñoz (astro_jcm@mastodon.online)'s status on Thursday, 12-Sep-2024 03:55:44 JST Juan Carlos Muñoz
1/ It's amazing that we can see details on the surface of some stars, but watching them move is even cooler 🤩
Using ALMA, astronomers have followed the motion of gas bubbles on the red giant star R Doradus over the course of a month. The bubbles are huge, about 75 times bigger than the Sun!
Press release: https://www.eso.org/public/news/eso2412/
Video summary: https://www.youtube.com/watch?v=jaxyu4RP9-I
📷 ALMA (ESO/NAOJ/NRAO)/W. Vlemmings et al.
#astrodon #astronomy #science #space
In conversationabout 2 months ago from mastodon.onlinepermalink
Attachments
1. Three images in a row are labelled, from left to right, ‘2023-07-18,’ ‘2023-07-27,’ and ‘2023-08-02’, respectively. Each image shows a blurry, yellow sphere with dark and light patches, against a grainy, brown background. The patches move and change between each image. In the bottom left of the first image, the outline of a circle slightly smaller than the yellow sphere is labelled, ‘Earth’s orbit’.
  https://files.mastodon.online/media_attachments/files/113/119/678/323/056/315/original/df3c8996bbea0c96.png
2. Domain not in remote thumbnail source whitelist: cdn.eso.org
  Astronomers track bubbles on star’s surface in most detailed video yet
  from @ESO
  For the first time, astronomers have captured images of a star other than the Sun in enough detail to track the motion of bubbling gas on its surface. The images of the star, R Doradus, were obtained with the Atacama Large Millimeter/submillimeter Array (ALMA), a telescope co-owned by the European Southern Observatory (ESO), in July and August 2023. They show giant, hot bubbles of gas, 75 times the size of the Sun, appearing on the surface and sinking back into the star’s interior faster than expected.
3. Stellar bubbles captured by ALMA | ESO News
  from European Southern Observatory (ESO)
  The Atacama Large Millimeter/submillimeter Array (ALMA), in which ESO is a partner, has captured images of the bubbling surface of the star R Doradus — the f...

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