PIA04655: Polygons in Martian Frost


Polygons in Martian Frost

Caption:

MGS MOC Release No. MOC2-428, 21 July 2003

This June 2003 Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a polygonal pattern developed in seasonal carbon dioxide frost in the martian southern hemisphere. The frost accumulated during the recent southern winter; it is now spring, and the carbon dioxide frost is subliming away. This image is located near 80.4°S, 200.2°W; it is illuminated by sunlight from the upper left, and covers an area 3 km (1.9 mi) across.

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 Grayscale
Acquisition Date
Release Date 2003-07-24
Date in Caption 2003-07-21
Image Credit NASA/JPL/Malin Space Science Systems
Source photojournal.jpl.nasa.gov/catalog/PIA04655
Identifier PIA04655