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Image Credit: K. Meech et al./ESO

Earth was struck by interstellar object 5 years ago!

A pair of Harvard researchers believe a meteor that collided with Earth's atmosphere in January 2014 was actually another interstellar traveler with distant, mysterious origins. This meteor's long journey ended with a fiery finale five years ago, as the object burnt up in the skies above Papua New Guinea. The meteor hypothesis says much smaller interstellar immigrants could potentially exist a lot closer to home.