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PIA00193: Latitude 90 Degrees North to 90 Degrees South and Longitude 0 Degrees to 180 Degrees
Both polar residual ice caps are seen at top and bottom. The central part is dominated by the four largest and youngest volcanoes on Mars--Olympus, Arsia, Pavonis, and Ascraeus Montes in this image from NASA's Viking Orbiter 1.
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Viking 
 Spacecraft:  Viking Orbiter 1
 Instrument:  Visual Imaging Subsystem - Camera A 
 Product Size:  6398 x 6398 pixels (w x h) 
 Produced By:  U.S. Geological Survey 
 Producer ID:  P43561  
 Addition Date:  1998-06-08 
 Primary Data Set:  Viking EDRs 
 Full-Res TIFF:  PIA00193.tif (56.26 MB)
 Full-Res JPEG:  PIA00193.jpg (1.782 MB)  

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

The coordinates of the Lambert azimuthal equal area projection are latitude 90 degrees N. to 90 degrees S. and longitude 0 degree to 180 degrees. Both polar residual ice caps are seen at top and bottom. The central part is dominated by the four largest and youngest volcanoes on Mars--Olympus, Arsia, Pavonis, and Ascraeus Montes--and by a vast system of canyons several thousand kilometers long--Valles Marineris. Directly to the northeast of Valles Marineris, several large outflow channels terminate at a dark depression, Chryse basin. The lower-right corner is marked by the large Argyre basin, defined by an expanse of light-colored plains 800 km across.

Image Credit:
NASA/JPL/USGS

Image Addition Date:
1998-06-08