In an area like Russell Crater, very ancient impact crater, NASA's Mars Reconnaissance Orbiter can follow changes in the terrain by comparing images taken at different times. Frost (carbon dioxide ice) is seen in this image.
Add image to your album
Email this page Post this page to your Facebook wall Tweet this page

Fall Frost Accumulation on Russell Crater Dunes

Click here for larger version of PIA17986
Map Projected Browse Image
Click on the image for larger version

Russell Crater dunes are a favorite target for HiRISE images not only because of their incredible beauty, but for how we can measure the accumulation of frost year after year in the fall, and its disappearance in the spring.

The frost is, of course, carbon dioxide ice that often sublimates (going directly from a solid to a gas) during the Martian spring. HiRISE takes images of the same areas on Mars in order to study seasonal changes like this. In an area like Russell Crater -- a very ancient impact crater about 140 kilometers in diameter -- we can follow changes in the terrain by comparing images taken at different times. This helps give us a better understanding of active processes on the Red Planet.

HiRISE is one of six instruments on NASA's Mars Reconnaissance Orbiter. The University of Arizona, Tucson, operates the orbiter's HiRISE camera, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for the NASA Science Mission Directorate, Washington.

Image details

ID#:
PIA17986

Date added:
2014-02-04

Target:
Mars

Mission:
Mars Reconnaissance Orbiter (MRO)

Spacecraft:
Mars Reconnaissance Orbiter (MRO)

Instruments:
High Resolution Imaging Science Experiment (HiRISE)

Rating:



Views:
450

Full-Res TIFF:
PIA17986.tif (15.56 MB)

Full-Res JPG:
PIA17986.jpg (0.96 MB)

Image credit:
NASA/JPL-Caltech/Univ. of Arizona