
It was late 2017 when the astronomy world was buzzing over what appeared to be the first-ever interstellar visitor observed by mankind. It was a long, cigar-shaped object which its discoverers named Oumuamua, and it swooped around our Sun and back out towards interstellar space so rapidly that scientists had to scramble to study it. Now, after examining records of meteor strikes on Earth from years past, Harvard researchers believe they may have discovered evidence of the first-ever interstellar...
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