Astronomers Simulate How White Dwarf Stars Merge And Become A Supernova.

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My Father-In-Law often asks me how scientists can 'experiment' on stars if they are indeed so far away. I can't get over to him how things work. May be I shouldn't even start with this news:

 

Astronomers simulate how white dwarf stars merge and become a supernova

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Interesting, oh and I'd probably attempt metaphore. Start by describing how they found the circumference of the earth with two sticks and a guy pasing a measured distance then convey that it is the same kind of thing. Little measurements from a long way away along with the best understanding and ideas of the time.

 

Either that or get him the box set of the Cosmos tv series which is a good watch if you are into science.