A Comet as Old as Earth is Heading Our Way After a 4 Billion-Year Cryogenic Sleep

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A Comet as Old as Earth is Heading Our Way After a 4 Billion-Year Cryogenic Sleep
C/2014 S3 (PANSTARRS), a tailless comet that’s been sitting in cold hibernation for billions of years now, was recently nudged into an orbit that brings it closer to the sun and Earth. Scientists are eagerly looking forward to learning more about what it can tells us about the early days of the solar system.