What's New in Lunar & Planetary Science
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
orbiter and appears to be in good condition. More details are available in the
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
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.
- Large explosion occurs near Tunguska in Siberia, presumably due to small asteroid or comet.
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