Mars - Viking 1 Orbiter

Pedestal craters in the Martian northern plains

Mars
Viking 1 Orbiter image showing a number of pedestal craters on Mars. The size of the pedestal, or raised area surrounding the crater, is proportional to the size of the crater. The mechanism of the formation is poorly understood. North is at 1:30 in this image, which is about 75 km wide. (Viking Orbiter image 043A04)
Larger image:

High resolution tiff file (1.0 Mb)

Location & Time Information
Date/Time (UT): 1976-08-02 T 20:20:39
Distance/Range (km): 2079.0
Central Latitude/Longitude (deg): +46.23/354.22
Orbit(s): 43

Imaging Information
Area or Feature Type: Crater
Instrument: Visual Imaging Subsystem - Camera B
Instrument Resolution (pixels): 1056 x 1182, 7 bit
Instrument Field of View (deg): 1.54 x 1.69
Filter: Clear (4)
Illumination Incidence Angle (deg): 84.64
Phase Angle (deg): 74.14
Instrument Look Direction: N/A
Surface Emission Angle (deg): 33.30

Ordering Information
CD-ROM Volume: VO_1011
NASA Image ID number: 043A04
Other Image ID number: 26746287
NSSDC Data Set ID (Photo): 75-075A-01B
NSSDC Data Set ID (CD): 75-075A-01c
Other ID: N/A

Updated 20 May 2003, DRW.