| areo.info / MER / Spirit / | Sol 1722 Sol 1721 Sol 1720 |
| Sol 1721 local noon on Spirit landing site was 2008-11-05 09:57 UTC on Earth. | last modified: 2016-01-31 21:35 UTC |
| All Mars images derived from original data published by NASA and JPL on Marsrover Image Gallery and exploratorium.edu. | |