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Wednesday, November 23, 2011

The Case for Pluto's Ocean

http://www.centauri-dreams.org/?p=20717

Pluto may very well be one of several planets (I include spherical moons here, which I consider satellite planets) that might harbor a subsurface ocean that could host microbial life. Maybe subsurface oceans will one day be a new defining characteristic for this specific type of planet!

Thursday, November 3, 2011

Dawn Mission: Dawn Image of the Day Archive

Dawn Mission: Dawn Image of the Day Archive

Vesta is a complex world. Dawn is showing us that protoplanet are very different from tiny, shapeless asteroids.