NASAA Virtual Tour of Mars

The white region of this image is the ancient impact basin called Hellas Planitia. The edge of Hellespontus Montes can be seen in the lower left. The white color seen here is due to carbon dioxide frost on the surface.

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Questions and comments about this page should be addressed to:
Dr. David R. Williams, david.r.williams@nasa.gov, (301) 286-1258
NSSDCA, Mail Code 690.1, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

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Page Author: Malcolm J. Shaw, Malcolm_Shaw@pcp.ca
NASA Official: Dr. Ed Grayzeck, edwin.j.grayzeck@nasa.gov
Last Updated: 20 March 2001, DRW