1/20/2014

The lumpy, mishapen Martian moon Phobos may be a captured asteroid, according to an international team of researchers. The astronomers modeled ultraviolet light reflected from the moon's surface and compared it with those of an asteroid and a meteorite found on Earth, finding similarities. "This provided more additional support for compositional similarities between Phobos and D-type asteroids," said University of Padova's Maurizio Pajola, who led the study.

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