PIA04112: Polygon-Cracked Plain


Polygon-Cracked Plain

Caption:

21 July 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a polygon-cracked plain in the south polar region of Mars. When this picture was acquired in April 2005, the surface was covered with seasonal carbon dioxide frost. Dark spots and streaks indicate areas where the frost had begun to change and sublime away.

Location near : 86.8°S, 300.5°W
Image width : width: ~3 km (~1.9 mi)
Illumination from : upper left
Season : Southern Spring

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 Atmosphere, Grayscale, Storm
Acquisition Date
Release Date 2005-07-21
Date in Caption 2005-07-21
Image Credit NASA/JPL/Malin Space Science Systems
Source photojournal.jpl.nasa.gov/catalog/PIA04112
Identifier PIA04112