| areo.info / MER / Opportunity / | Sol 4940 Sol 4939 Sol 4938 |
| Sol 4939 local noon on Opportunity landing site was 2017-12-15 22:40 UTC on Earth. | last modified: 2017-12-24 14:34 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |