THEMIS: Gullies and floor features in Aonia Terra crater

Gullies and floor features (THEMIS_IOTD_20190117)THEMIS Image of the Day, January 17, 2019. Many large gullies dissect the rim of this unnamed crater in Aonia Terra.  The inner walls and floor both show evidence of pasted-on terrain — a layer of potentially ice-rich dust.

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