These 2 dead stars will collide and create a supernova

February 10, 2015 7:53 PM

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White dwarfs are densely packed stars that have reached the end of their normal cycle and are no longer undergoing nuclear fusion. This particular pair of white dwarfs orbit each other about every four hours. They're already so close that in about 700 million years, their gravitational pull will eventually cause them to merge into a single star.

White dwarfs are densely packed stars that have reached the end of their normal cycle and are no longer undergoing nuclear fusion. This particular pair of white dwarfs orbit each other about every four hours. They're already so close that in about 700 million years, their gravitational pull will eve...

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