While looking at the photo of a Mars crater was wondering why some smaller circular areas in the photo appear to be raised as opposed to depressions.
Are these impact sites? If so what process causes them to be raised or appear to be raised?
Thanks
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- Wed Apr 09, 2008 4:49 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Silica Symphony, Mars White Rock Fingers (APOD 07 Apr 08)
- Replies: 12
- Views: 9805