PIA04129: Nilosyrtis Dunes


Nilosyrtis Dunes

Caption:

31 July 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a rare patch of dark sand dunes in the Nilosyrtis Mensae region of Mars. The steepest slopes on these dunes, their slipfaces, point toward the south-southwest, indicating that the dominant winds that formed them came from the north-northeast (top/upper right).

Location near : 34.5°N, 295.1°W
Image width : width: ~3 km (~1.9 mi)
Illumination from : lower left
Season : Northern Autumn

Cataloging Keywords:

Name Value Additional Values
Target Mars
System
Target Type Planet
Mission Mars Global Surveyor (MGS)
Instrument Host Mars Global Surveyor
Host Type Orbiter
Instrument Mars Orbiter Camera (MOC)
Detector
Extra Keywords Dune, Grayscale
Acquisition Date
Release Date 2005-07-31
Date in Caption 2005-07-31
Image Credit NASA/JPL/Malin Space Science Systems
Source photojournal.jpl.nasa.gov/catalog/PIA04129
Identifier PIA04129