HiRISE: Once in a blue dune

ESP_053894_2295Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater there is a field of classic barchan dunes.

Just to the south of the group of barchan dunes is one large dune with a more complex structure. This particular dune, appearing like turquoise blue in enhanced color, is made of finer material and/or has a different composition than the surroundings. [More at link]

This entry was posted in Reports and tagged , , , , , , , , , . Bookmark the permalink.

Comments are closed.