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HubbleSite Hubble Observes the Supernova in the Whirlpool Galaxy

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Space Telescope Science

The Hubble telescope has returned valuable new images of supernova 1994I in the inner regions of the "Whirlpool Galaxy," M51, located 20 million light-years from Earth in the constellation Canes Venatici. The arrow marks the supernova's location.

The supernova was discovered by amateur astronomers on April 2, 1994 and has been the target of investigations by astronomers using ground-based optical and radio telescopes. At its brightest, around April 10, the supernova was about 100 million times more luminous than the Sun. A supernova is a violent stellar explosion that destroys a massive star.

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