18 May 2016 

Bedrock Exposures on the Floor of Bakhuysen Crater
Bedrock Exposures on the Floor of Bakhuysen Crater
This image shows an exposure of bedrock on the floor of Bakhuysen Crater, a 150-kilometer diameter impact crater in Noachis Terra.
On the Shape of Impact Craters
On the Shape of Impact Craters
The shape of a crater can depend on factors including the angle of impact and the pre-impact slope and topography.
Valley Networks in the Ancient Martian Highlands
Valley Networks in the Ancient Martian Highlands
The valley networks on Mars are terrains eroded by flowing water billions of years ago.
Frosted Dunes
Frosted Dunes
Sand dunes cover much of this terrain, which has large boulders lying on flat areas between the dunes.
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