Hi All:
Why can't these chevrons in the Mars picture just be typical sand dunes?
I happened to look at the whole picture and the lower features that look
like boomerangs are called barchans and are caused by wind. I happened to
actually use this picture at a workshop last week! The wind blows the
Here's a great photo of a group of chevrons:
http://www.flickr.com/photos/badastronomy/3432647881/sizes/o/
Must have been one hell of a tsunami.
http://blogs.discovermagazine.com/badastronomy/page/8/
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> of such events.
>
> Takes a long time and the accumulation of lots
> of evidence, more than we have now, probably.
> Time (but not geologic time) will tell.
>
>
> Sterling K. Webb
> --------------------
> - Or
009 3:58 PM
Subject: Re: [meteorite-list] 'Chevrons' Are Not Evidence Of
Megatsunamis
Hi Paul, all -
A rather cryptic article, but then one might think that these
researchers may have considered another hypothesis, that yet another
impact mega-tsunami occured.
I suppose this
Hi Paul, all -
A rather cryptic article, but then one might think that these researchers may
have considered another hypothesis, that yet another impact mega-tsunami
occured.
I suppose this belongs with Keller's latest results as well.
But then denial is not simply a river in Egypt.
E.P. G
Past Tsunamis? Contrary To Recent Hypothesis, 'Chevrons'
Are Not Evidence Of Megatsunamis, Science Daily, April 30, 2009,
http://www.sciencedaily.com/releases/2009/04/090429091637.htm
Contrary to recent hypothesis, 'chevrons' are not evidence
of megatsunamis by Vince Stricherz, University of W
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