Martian sand dunes: blowing in the wind
Viewing the north pole of the Red Planet, the Mars Global Surveyor spacecraft provides the first evidence that sand dunes there can change appearance over a few months.
References:
1998. New Mars images show lava flow plates and active dunes. Meeting of the Geological Society of America. October. Toronto.
Further Readings:
Cowen, R. 1998. Did an ocean flatten Mars’ northern half? Science News 153(April 4):218.
Sources:
Kenneth S. Edgett
Malin Space Science Systems
P.O. Box 910148
San Diego, CA 92191-0148Michael Malin
Malin Space Science Systems
P.O. Box 910148
San Diego, CA 92191-0148From Science News, Vol. 154, No. 21, November 21, 1998, p. 333. Copyright Ó 1998 by Science Service.
11/21/98
copyright 1998 ScienceService
