Documents Mumma_110504.1 Detection and mapping of Methane and Water on Mars: Evidence for intense local...

Slide 1mumma_110504.1 Detection and mapping of Methane and Water on Mars: Evidence for intense local enhancements in Methane. Michael J. Mumma Goddard Center for Astrobiology…

Documents 10. The impact crater record on Venus is unusual because… a)Venus is the only planet with no...

Slide 1 10. The impact crater record on Venus is unusual because… a)Venus is the only planet with no craters at all b)The age of the surface seems larger than the age of…