File:Curious spiral spotted by ALMA around red giant star R Sculptoris (eso1239a).tiff

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English: Observations using the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed an unexpected spiral structure in the material around the old star R Sculptoris. This feature has never been seen before and is probably caused by a hidden companion star orbiting the star. This slice through the new ALMA data reveals the shell around the star, which shows up as the outer circular ring, as well as a very clear spiral structure in the inner material.
Date 10 October 2012, 19:00
Source https://www.eso.org/public/images/eso1239a/
Author ALMA (ESO/NAOJ/NRAO)/M. Maercker et al.
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current12:58, 15 March 2021Thumbnail for version as of 12:58, 15 March 20213,600 × 2,250 (48.7 MB)Junior Jumper (talk | contribs)Transferred from https://www.eso.org/public/archives/images/original/eso1239a.tif

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