NASA / ESA / STSCI / A.FILIPPENKO, UCB / SCIENCE PHOTO LIBRARY NASA / ESA / STSCI / A.FILIPPENKO, UCB / SCIENCE PHOTO LIBRARY
Supernova SN 2004dj, Hubble Space Telescope image. Although the supernova (top right) is 11 million light years away in galaxy NGC 2403, its brightness appears of a similar magnitude to many stars in our own Milky Way. It is exploding with the light of 200 million Suns and is the closest stellar explosion discovered for more than a decade. Photographed on 2 September 2004.
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