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The possible interstellar comet moving across the sky

Gennady Borisov

Astronomers have spotted a comet that appears to have come from outside our solar system, which would make it the second interstellar object we’ve detected. Plus, it’s headed toward Earth, which will make it easier to study than the previous interstellar rock. It will approach Earth in December, but will get nowhere near close enough to hit us.

The first interstellar object, called ‘Oumuamua, was an asteroid discovered in October 2017. When we spotted it, it was already on its way out of the solar system and …

source: newscientist.com

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