"Happy Face" Crater on Mars

There are a number of Viking Orbiter images of Mars that, from time to time, have been invoked as examples of landforms that look like familiar objects. On of the better examples is the crater Galle (51.1° S, 31.3° W; 215 km across), located on the eastern margin of the large basin Argyre. The "face" was first noticed in synoptic observations taken early in the Viking Orbiter 1 mission.

Oblique View of "Happy Face"
GIF = 593 KBytes
Ancillary Data for this Mosaic

Vertical View of "Happy Face"
GIF = 196 KBytes
Data derived from 1/64° per pixel USGS Digital Image Mosaic

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