Stars go through heating, contracting, expanding, and cooling, but these stages of stellar evolution usually play out over millions of years, making it unusual for scientists to see predictions confirmed in their own lifetime. But 2,700 light years from Earth, in the heart of the Stingray Nebula, a small star has allowed astronomers to observe something incredible – a dramatic contracting and heating phase followed by a rapid rebirth into a cooling, expanding star – just as astronomers predicted.
.. Continue Reading Snappy star goes through two stages of evolution in just 45 yearsCategory: Space
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from New Atlas http://ift.tt/2d2APcG
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