Thanks folks....
I knew there had to be a reason for the specific angle mentioned.
A lot of learning occurred for me in those replies.
The dry/damp/wet sand example really made sense to me.
I am off to do some more reading on the subject now that I know where to look.
Search found 5 matches
- Mon Apr 20, 2009 5:18 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Scale for Picture: Barchans on Mars (2009 April 20)
- Replies: 32
- Views: 5031
- Mon Apr 20, 2009 12:06 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Scale for Picture: Barchans on Mars (2009 April 20)
- Replies: 32
- Views: 5031
Re: Scale for Picture
I agree with the previous poster about a scale reference.
In addition, can someone (probably a geologist type) explain why the downwind slope forms an ≈32º angle as explained in the Wikipedia link for barchan dunes?
Thanks
In addition, can someone (probably a geologist type) explain why the downwind slope forms an ≈32º angle as explained in the Wikipedia link for barchan dunes?
Thanks
- Mon Dec 25, 2006 2:30 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Nice spacewalk pic (APOD 25 Dec 2006)
- Replies: 7
- Views: 7172
- Wed Nov 22, 2006 11:59 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Ugly Piece of Earth Raping Hardware (APOD 22 Nov 2006)
- Replies: 41
- Views: 11414
- Thu Nov 02, 2006 1:10 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: "Compressed to fit the screen" (APOD 1 Nov 2006)
- Replies: 5
- Views: 2585
I agree......
Looking at the horizontally compressed view I totally agree that the stuck wheel track looks like a road on the side of a hill. In addition to that the dark rocks on first glance looked like pine trees on the side of that hill. After looking a little closer I realized that we didn't discover plant l...