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Stories, updates, insights, and original analysis from The Planetary Society. 

Dawn thrusting toward Ceres

The value of a Guest Investigator program for Dawn

NASA selected 21 Participating Scientists to join the Dawn team in 2010, prior to Dawn's arrival at Vesta in 2011. Since that time, Dawn Participating Scientists have made enormous contributions to the mission, as they do for most other NASA missions. But the status of a Participating Scientist program for Dawn at Ceres has been in doubt.

Discovery image of Enceladus' plumes (1 of 7)

LPSC: Tuesday: Volcanism and tectonism on Saturn's satellites

I received this report on the Tuesday afternoon special session on volcanism and tectonism on Saturn's satellites from Anne Verbiscer, an astronomer from the University of Virginia who I first met at the Division of Planetary Sciences meeting in 2005.