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Sh2-86 (NGC-6820)

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Lunar gulley.

Started by slotdrag, 07/20/2005 02:23AM
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Posted 07/20/2005 02:23AM Opening Post
Rick Langerman
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Join Date: Jul 2004

Location: Wichita KS, US

Posts: 134

What is the name of this valley? it looks really deep is it?


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Posted 07/20/2005 03:26AM #1
Dan D DuBal
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Join Date: Apr 2002

Location: Wheat Ridge CO, US

Posts: 317

That's Vallis Alpes, or the Alpine Valley. As for its morphology, it's likely a graben.

The only depth estimate I can recall is ~2000 meters, but I don't remember the source.

Cheers.
-Dan
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