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"Biver said the #comet was believed to have come from the #OortCloud, a theorized vast sphere surrounding the Solar System that is home to mysterious icy objects.
The last time the comet passed Earth was during the #UpperPaleolithic period, when #Neanderthals still roamed Earth."
ScienceAlertA Comet Not Seen in 50,000 Years Is Streaking by Earth Soon. Here's When to Look UpA newly discovered comet could be visible to the naked eye as it shoots past Earth and the Sun in the coming weeks for the first time in 50,000 years, astronomers have said.