Asteroid 2015 BZ509 may have joined Our Family of Planets from an Alien Solar System

An asteroid orbiting backwards around the Sun may have come from another solar system, according to astronomers in France.
Asteroid 2015 BZ509 is roughly two miles across, and orbits the Sun at roughly the same distance as Jupiter. Computer simulations suggest the object may have joined our planetary family four-and-a-half billion years ago, just as the Earth and other planets were being formed.

Read More Asteroid 2015 BZ509 may have joined Our Family of Planets from an Alien Solar System
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