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+ - Supermassive Supernova

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Red Flayer
Red Flayer writes "National Geographic has an article up about an unprecedentedly bright supernova. David Pooley (of UCal Berkeley), one of the coauthors of the study referenced by the article, has stated that the likely source of the light is from materia ejected into space, which has been theorized for supermassive stars, but never observed. FTA:

The finding has ramifications for Eta Carinae, the most massive star in our galaxy, which lies just 7,400 light years away. This star, estimated to be 100 to 120 times the sun's mass, has been experiencing preliminary eruptions that could mean it will explode in a manner similar to SN 2006gy.

The results of the study by Smith and Pooley will be published in an upcoming issue of Astrophysical Journal."

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