| areo.info / MER / Opportunity / | Sol 3939 Sol 3938 Sol 3937 |
| Sol 3938 local noon on Opportunity landing site was 2015-02-21 10:13 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. | |