Two White Dwarf Stars Collided and Came Back from the Dead. Soon, TheyAll Go Supernova.
Astronomers have discovered a star they believe has come back from the dead.
The star, located in a hazy nebula in the constellation Cassiopeia, is unlike most other stars. It shows no signs of hydrogen or helium u the two lightest elements in the universe and the final source of fuel for the nuclear reactions that power the hearts of stars. Despite this, it glows tens of thousands of times brighter than Earth's sun, and howls with a stellar wind that seems to have the strength of two stars...
Story at:
https://www.livescience.com/65550-dead-stars-revived-white-dwarf-merger.html?ut m_source=ls-newsletter&utm_medium=email&utm_campaign=20190601-ls
https://tinyurl.com/y4fj99rm
Mike
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