https://science.nasa.gov/photojournal/intracrater-dunes/
Intracrater Dunes - NASA Science
Jan 27, 2005 - NASA's Mars Global Surveyor shows a portion of a field of dark sand dunes on the floor of an unnamed crater in western Arabia Terra on Mars. Dominant winds are...
dunesnasascience
https://science.nasa.gov/photojournal/intracrater-dune-field/
Intracrater Dune Field - NASA Science
Aug 20, 2003 - NASA's Mars Global Surveyor shows a field of dark sand dunes trapped on the floor of a crater near Cerberus on Mars.
dunefieldnasascience