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Double Ring Craters
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Caption:
A faint double ring crater is seen at upper right in this picture of Mercury (FDS 166601) taken one hour and 40 minutes before Mariner 10's second rendezvous with the planet September 21. Located 35 degrees S. Lat. The outer ring is 170 kilometers (10 miles) across. Double ring craters are common features on Mercury. This particular feature and the bright rayed crater to its left were seen from a different viewing angle in pictures taken by Mariner 10 during its first Mercury flyby last March 29.
Background Info:
The Mariner 10 mission, managed by the Jet Propulsion Laboratory for NASA's Office of Space Science, explored Venus in February 1974 on the way to three encounters with Mercury-in March and September 1974 and in March 1975. The spacecraft took more than 7,000 photos of Mercury, Venus, the Earth and the Moon.
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mercury | |
| System | ||
| Target Type | Planet | |
| Mission | Mariner | |
| Instrument Host | Mariner 10 | |
| Host Type | Flyby Spacecraft | |
| Instrument | ||
| Detector | ||
| Extra Keywords | Crater, Grayscale, Moon | |
| Acquisition Date | ||
| Release Date | 2000-08-05 | |
| Date in Caption | ||
| Image Credit | NASA/JPL/Northwestern University | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA02936 | |
| Identifier | PIA02936 | |
