| areo.info / MER / Opportunity / | Sol 4023 Sol 4022 Sol 4021 |
| Sol 4022 local noon on Opportunity landing site was 2015-05-18 17:38 UTC on Earth. | last modified: 2016-01-31 21:49 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |