Phobos
1977 Viking orbiter image of Phobos. The large crater on the left is Stickney. (Viking Project, JPL, NASA, apod980531) |
A 1978 Viking orbiter image, showing a slightly different view of the same part of Phobos (Viking Project, JPL, NASA, Edwin Bell II, apod030406) |
Phobos imaged by the Mars Global Surveyor. The darkest moon in the solar system, Phobos may be a captured asteroid made of a loose mixture of ice and dark rock.
(Malin Space Science Systems, MGS, JPL, NASA, apod030701) |
A color image of Phobos, taken by the Mars Express, shows the inner moon of Mars in exceptional detail. (G. Neukum (FU Berlin) et al., Mars Express, DLR, ESA, apod061203) |
The other side of Phobos
1999 Mars Global Surveyor photo of shadow of Phobos on western Xanthe Terra. (Malin Space Science, MGS, JPL, NASA, apod030329) |
Deimos
Deimos as photographed by Viking orbiter in 1970's
(Viking Project, JPL, NASA, apod010902)
1977 Viking 2 orbiter view of Deimos from only 18 miles away, showing an area less than a mile square
(Viking Project, JPL, NASA, apod961222)
The other side of Deimos
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