Comet
NASA released this photo of the Comet C/2012 S1 (ISON) taken on April 10 by the Hubble Space Telescope, when it was slightly closer to the Earth than Jupiter. The nucleus of comet itself is only 3-4 miles in diameter but the dusty head of the comet is about 3,100 miles across. The current dust trail is 57,000 miles long, but will increase in size as it approaches the sun as frozen gases will be released. This comet could actually outshine the moon as it approaches the sun, getting closest on November 28 this year.
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