| areo.info / MER / Opportunity / | Sol 3641 Sol 3640 Sol 3639 |
| Sol 3640 local noon on Opportunity landing site was 2014-04-21 05:36 UTC on Earth. | last modified: 2016-01-31 21:48 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |