Scientists Reveal the Origin of Cassiopeia A: What Should You Know – Dual Dove

It is known that massive stars end their existence with energetics blasts, called supernovae. The so-called stripped-envelope supernovae manifest low or no traces of hydrogen in their ejecta. Such a thing means that the star loses most or all of its hydrogen-rich outer layers before popping. 
Scientists hypothesize that those stars are part of some binary star systems, where one of the stars eliminates the outer layers of the other star with its gravitational pull. Some studies claim that the c…

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