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Supernova’s origin surprises astronomers [video]

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There is more than one way to make a thermonuclear (Type Ia) supernova, new evidence suggests.

Astronomers show for the first time that at least some Type Ia supernovae come from a recurrent nova.

The results are surprising because previous indirect—but strong—evidence had pointed to the merger of two white dwarf stars as the originators of other Type Ia supernovae, say researchers at University of California, Santa Barbara.

Full story at Futurity.

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Photo credit: Romano Corradi and the Instituto de Astrofísica de Canarias

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