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What's New in Lunar & Planetary Science

Comet 67P/Churyumov-Gerasimenko reached perihelion at 2:03 UT on 13 August 2015. The Rosetta spacecraft, flying with the comet, has observed increased activity. It is hoped that the Philae lander will be able to observe changes at the surface as well. More details are available in the ESA Bulletin.

Images and data from Pluto and its moons continue to trickle in from the New Horizons spacecraft. Images of atmospheric haze and evidence of flowing ice were discussed at a press conference on July 24. For recent images and information, see the NASA and APL New Horizons pages.

This Day in Planetary and Lunar Exploration History

August 31

Authorization of U.S. Naval Observatory by act of Congress.

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