A Nest of Alien Asteroids Orbits Our Sun

A Nest of Alien Asteroids Orbits Our Sun

Astronomers say they have found orphan rocks from another star, or stars, stashed in the outer solar system.

A pair of astronomers announced last week that they had identified 19 alien asteroids circling our sun.

The rocks were probably stolen from other nearby stars 4.5 billion years ago, during the birth throes of the sun. Today they mingle in the sky with a class of asteroids called Centaurs that inhabit outer realms of the solar system between Jupiter and Neptune.

But unlike the rest of the Centaurs, the aliens’ orbits take them far out of the plane in which the planets go around the sun, suggesting that they were once circling other stars.

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