This NASA Hubble Space Telescope photo below shows a comet-like P/2010 A2, which was first discovered by the LINEAR (Lincoln Near-Earth Asteroid Research program) sky survey on January 6.
The inset picture suggests the object is not a comet but instead the product of a head-on collision between two asteroids. ASA says that astronomers have "long thought that the asteroid belt is being ground down through collisions, but such a smashup has never before been seen."
At the time of the Hubble observations, the object was approximately 180 million miles from the Sun and 90 million from Earth. The bottom line on P/2010 A2 is that no one who is supposed to know has any idea where it came from or where it's going. Naturally, we at All This Is That believe that it is the fabled Tenth Planet, come home to join us, rescue us, or invade us.
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