| |
| | Catalog Page for PIA02999 |
 | | In the Mariner 6 and 7 flights in 1969, an outer ring, 1600 kilometers (1,000 miles) in diameter, was seen. |
 | | The spacecraft was designed to continue the atmospheric studies begun by Mariners 6 and 7, and to map over 70% of the Martian surface from the lowest altitude (1500 kilometers [900 miles])and at the highest resolutions (1 kilometer per pixel to 100 meters per pixel) of any previous Mars mission. |
 | | Mariner 9 was launched on May 30, 1971 and arrived on November 14, 1971. |
| photojournal.jpl.nasa.gov /catalog/PIA02999 (230 words) |
|