Mars - Viking 2 Orbiter

Biblis Patera volcano, Mars

The small Martian volcano Biblis Patera is shown in this Viking 2 Orbiter image. The diameter of the exposed portion is about 100 km. Truncation of the flow features on the volcano's flanks by surrounding plains material indicates that part of the edifice is buried. Note the circular faults surrounding the caldera. North is at ~11:30 in this image, which is about 200 km across. (Viking Orbiter 044B50)
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High resolution tiff file (1.0 Mb)

Location & Time Information
Date/Time (UT): 1976-09-23 T 11:49:29
Distance/Range (km): 6590.2
Central Latitude/Longitude (deg): +2.78/124.14
Orbit(s): 44

Imaging Information
Area or Feature Type: Volcano
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): 75.33
Phase Angle (deg): 81.26
Instrument Look Direction: N/A
Surface Emission Angle (deg): 6.98

Ordering Information
CD-ROM Volume: VO_1051
NASA Image ID number: 044B50
Other Image ID number: 47389065
NSSDC Data Set ID (Photo): 75-083A-01D
NSSDC Data Set ID (CD): 75-083A-01a
Other ID: N/A
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Updated 23 May 2003, DRW.