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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Pluto Resolved

Explanation: New Horizons has survived its close encounter with Pluto and has resumed sending back images and data. The robotic spacecraft reported back on time, with all systems working , and with the expected volume of data stored. Featured here is the highest resolution image of Pluto taken before closest approach, an image that really brings Pluto into a satisfying focus. At first glance, Pluto is reddish and has several craters. Toward the image bottom is a surprisingly featureless light-covered region that resembles an iconic heart , and mountainous terrain appears on the lower right. This image , however, is only the beginning. As more images and data pour in today, during the coming week, and over the next year, humanity's understanding of Pluto and its moons will likely become revolutionized.

Pluto flyby updates: #PlutoFlyby, Twitter , Facebook , Web

Date July 15, 2015
Credit Image Credit & Copyright: NASA , Johns Hopkins Univ./APL , Southwest Research Inst.
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.