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11K views · 557 reactions | Hubble determined the size of the largest...
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11K views · 557 reactions | Hubble determined the size of the largest...
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1K views · 116 reactions | Nasa's hubble space telescope has located what scientists believe is the largest comet ever seen by astronomers. They estimate the diameter to be about 80 miles across--making it larger than the state of rhode island. Judging by its nucleus, it is about 50 times larger than an average comet and weighs 100,000 times more. Don't fret, astronomers say the giant icy rock poses no risk to earth. | Allison Miller | Facebook
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