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Exploded stars may be universe’s earliest

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Astronomers have observed the most-distant, super-luminous supernovae found to date.

“The objects are both unusually bright and unusually slow to fade,” says Raymond Carlberg of the University of Toronto’s Department of Astronomy and Astrophysics.

“These are properties that are consistent with what is known as pair-instability supernova, a rare mechanism for explosion which is expected to happen for high-mass stars with almost no metal content. That is, the very first stars to form.”

Full story at Futurity.

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Photo credit: Marie Martig and Adrian Malec/Swinburne University

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