4 May 2016 

Troughs in Elysium Fossae
Troughs in Elysium Fossae
The two linear depressions in this image form part of the Elysium Fossae complex, a group of troughs located in the Elysium quadrangle of Mars.
Possible Sulfate Deposits in West Melas Chasma
Possible Sulfate Deposits in West Melas Chasma
In this region, hydrated sulfate salts have been detected, and are found extensively throughout the Valles Marineris canyon system.
Southern Winter Frost Accumulations
Southern Winter Frost Accumulations
With this image taken during mid-winter in the Southern hemisphere, we can observe accumulating frost on pole-facing slopes.
A One-Kilometer Crater on the Floor of Saheki Crater
A One-Kilometer Crater on the Floor of Saheki Crater
Much of the material has been eroded over time and has slumped downwards towards the crater floor, leaving behind chalk-like streaks of color.
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