Mercury - Mariner 10

Stereo images of Mark Twain Crater, Mercury

Mariner 10 stereo pair of images of Mark Twain crater in the Beethoven quadrangle on Mercury. The faint 140 km crater is centered at 10.5 S, 138.5 W. The crater exhibits a double ring structure and appears to be very old. North is at 1:00. The image on the left was taken during the first flyby and that on the right during the second. (Mariner 10, Atlas of Mercury, Fig. 7-8)
Larger image: 242K

High resolution tiff file (1.0M)

Location & Time Information
Date/Time (UT): N/A
Distance/Range (km): N/A
Central Latitude/Longitude (deg): -10.5,138.5
Orbit(s): Flyby

Imaging Information
Area or Feature Type: crater, stereo
Instrument: GEC 1-inch vidicon tube (TV) camera
Instrument Resolution (pixels): 700 x 832, 8 bit
Instrument Field of View (deg): 0.38 x 0.47
Filter: N/A
Illumination Incidence Angle (deg): N/A
Phase Angle (deg): N/A
Instrument Look Direction: N/A
Surface Emission Angle (deg): N/A

Ordering Information
CD-ROM Volume: N/A
NASA Image ID number: Fig. 7-8, Atlas of Mercury
Other Image ID number: FDS 1666822 (R)
NSSDC Data Set ID (Photo): 73-085A-01S
NSSDC Data Set ID (CD): N/A
Other ID: N/A


[NASA Logo] Authors/Curators:

Dave Williams,, (301) 286-1258
Code 690.1, NASA Goddard Space Flight Center
Greenbelt, MD 20771, USA

Jay Friedlander,, (301) 286-7172
Code 612.4, NASA Goddard Space Flight Center
Greenbelt, MD 20771, USA

NASA Official: Ed Grayzeck,

Last updated: 24 September 2015