Last Portrait of Pluto’s Puzzling Spots

Laurel MD (SPX) Jul 12, 2015

Three billion miles from Earth and just two and a half million miles from Pluto, NASA’s New Horizons spacecraft has taken its best image of four dark spots that continue to captivate.

The spots appear on the side of Pluto that always faces its largest moon, Charon-the face that will be invisible to New Horizons when the spacecraft makes its close flyby the morning of July 14.

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