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Super Supernovae

The largest stars die in explosions more powerful than anyone thought possible—some triggered in part by the production of antimatter

May 21, 2013 — Avishay Gal-Yam

“Supernova” Cave Art Myth Debunked

Thousands of years ago a star exploded in a supernova, leaving behind the glorious riot of colored gas we see now as the Crab Nebula. The light from this explosion reached Earth in 1054 A.D., creating what looked like a new bright star in the sky as recorded by ancient Chinese and Arab astronomers.

January 16, 2014 — Clara Moskowitz
Does Dark Energy Really Exist?

Does Dark Energy Really Exist?

Maybe not. The observations that led astronomers to deduce its existence could have another explanation: our galaxy lies at the center of a giant cosmic void

May 21, 2013 — Timothy Clifton and Pedro G. Ferreira

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