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What's New in Lunar & Planetary Science

The Philae lander reestablished contact on 13 June after 7 months of silence on the surface of Comet 67P/Churyumov-Gerasimenko. The lander has had a couple of short communications sessions with the Rosetta orbiter and appears to be in good condition. More details are available in the ESA Bulletin.

NASA's MESSENGER spacecraft ended its mission as planned with an impact on the surface of Mercury April 30 at 19:26 UT (3:26 p.m. EDT). The estimated impact position was 54.4 N, 210.1 E. A last image was returned shortly before the impact. For more details on the end of the mission, see the MESSENGER News Release.

A study of Ganymede's aurorae using the Hubble Space Telecope has provided the best evidence yet for a subsurface saltwater ocean on Jupiter's largest moon, possibly as thick as 100 km, below a 150 km thick crust. For more, see the NASA Press Release.

This Day in Planetary and Lunar Exploration History

June 30

1908
Large explosion occurs near Tunguska in Siberia, presumably due to small asteroid or comet.

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