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That weird ‘alien probe’ asteroid might not be an asteroid after all

December 18th, 2017

When astronomers first spotted the odd, cigar-shaped object later determined to be the asteroid Oumuamua a couple of months back, initial observations suggested it was a comet. Upon getting a better look at the object, and realizing it lacked the iconic comet “tail,” the scientists decided it must actually be an asteroid. Now, after studying …

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A house-sized asteroid is going to squeak by Earth today

October 19th, 2017

Astronomers and skywatchers have done an amazing job at locating lots and lots of near-Earth objects that could pose a threat, but some of them inevitably sneak up on us. Today, a newly-discovered asteroid is going to make an extremely close pass by Earth, coming well within the distance that separates our planet from the …