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A 4 billion-year-old comet 80 miles wide is headed toward Earth!


https://bgr.com/science/a-4-billion-year-old-comet-80-miles-wide-is-headed-toward-earth/#amp_tf=From%20%251%24s&aoh=16505909841477&csi=0&referrer=https%3A%2F%2Fwww.google.com&ampshare=https%3A%2F%2Fbgr.com%2Fscience%2Fa-4-billion-year-old-comet-80-miles-wide-is-headed-toward-earth%2F

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