ALMA catches a dying star mid-transformation, with a ring from its last outburst

Image: Phys.org
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- Astronomers have used radio observations from the Atacama Large Millimeter/submillimeter Array (ALMA) to catch a dying star in the middle of a dramatic transformation, and the data show a ring that records its final outburst. The new research was posted to the arXiv preprint server on Sept. 18.…