Week of 23 July 2018 

Fans of Roddy Crater
Fans of Roddy Crater
The fans built up over time during intense rain storms or from melting snow.  
The Dark Side of Dust Avalanches
The Dark Side of Dust Avalanches
Dust avalanches create slope streaks that expose darker materials usually hidden below a layer of light-toned dust.  
Fans and Valleys
Fans and Valleys
Shallow valleys may provide clues regarding the formation of the deposits we see in this observation.  
This is Not the Hydrothermal Deposit You’re Looking For
This is Not the Hydrothermal Deposit You’re Looking For
A hotspot for exploration on Mars centers on areas that were once next to a significant source of heat such as volcanoes.  
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