| areo.info / MER / Opportunity / | Sol 522 Sol 521 Sol 520 |
| Sol 521 local noon on Opportunity landing site was 2005-07-12 11:43 UTC on Earth. | last modified: 2016-01-31 21:40 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |