21 JANUARY 2015 

Crater Slopes: The Power of a Repeat ImageCrater Slopes: The Power of a Repeat Image
Repeat coverage actually serves a special purpose, such as detecting seasonal changes.
Gullies in Liu Hsin CraterGullies in Liu Hsin Crater
By comparing to gullies that are just 20 kilometers away, we may be able to determine the factors that affect their size.
Southeast Rim of Hale CraterSoutheast Rim of Hale Crater
The central peak of Hale Crater is a common target for recurring slope lineae, but an image of the rim might help us see if they occur elsewhere.
Triple-Crater in Elysium PlanitiaTriple-Crater in Elysium Planitia
This image shows a triple impact crater that probably formed when a binary--or even triple--asteroid struck the surface.

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