Two stars merged to form massive white dwarf

Posted on March 2, 2020 11:33 am
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URL https://www.newswars.com/two-stars-merged-to-form-massive-white-dwarf/ 

A massive white dwarf star with a bizarre carbon-rich atmosphere could be two white dwarfs merged together according to an international team led by University of Warwick astronomers, and only narrowly avoided destruction.

They have discovered an unusual ultra-massive white dwarf around 150  from us with an atmospheric composition never seen before, the first time that a merged white dwarf has been identified using its  as a clue.

The discovery, published today (2 March) in the journal Nature Astronomy, could raise new questions about the evolution of massive white dwarf stars and on the number of supernovae in our

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