| areo.info / MER / Opportunity / | Sol 322 Sol 321 Sol 320 |
| Sol 321 local noon on Opportunity landing site was 2004-12-18 23:45 UTC on Earth. | last modified: 2016-01-31 21:38 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |