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Eta Carinae
Photo: Eta Carinae
WALLPAPER
Eta Carinae, a star a hundred times more massive than the sun, seethes between enormous clouds of gas and dust in this composite image. Some 8,000 light-years away, the star is on the verge of going supernova, but astronomers can't predict when.
Photograph courtesy Jeff Hester, Arizona State University, NASA

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