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by Shellback3
Sun Apr 22, 2012 4:28 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Flowing Barchan Sand Dunes on Mars (2012 Apr 22)
Replies: 19
Views: 5331

Re: APOD: Flowing Barchan Sand Dunes on Mars (2012 Apr 22)

i don't see any evidence of disturbance of the ground that the dunes have passed over. Is that evidence that the substrate differs from the loose sand?