This is a composite image of the small moons of Saturn.
Click on image for full size
Metis was discovered by S. Synnott of the Voyager
team in 1979. It is the moon closest to Jupiter, with a standoff distance of 127,960 km. Metis is one of the small moons
, and is about the size of the city of Los Angeles, at about 40 km
Metis and Adrastea may function as shepherd satellites for the Jovian ring
system. As a small moon, the composition and surface features of Metis are unknown.
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The rare arrangement of planets Jupiter, Saturn, Uranus, and Neptune in the 1980's made it possible for the Voyager spacecrafts to visit them over a 12 year span instead of the normal 30. They used gravity...more
Adrastea is a small moon of Jupiter. Of Jupiter's 60 moons, it is the second closest to the planet. Adrastea was discovered by David Jewitt and Ed Danielson of the Voyager team in 1979. Adrastea is tiny...more
Amalthea was discovered by E Barnard in 1872. Of the 17 moons it is the 3rd closest to Jupiter, with a standoff distance of 181,300 km. Amalthea is about the size of a county or small state, and is just...more
Callisto was first discovered by Galileo in 1610, making it one of the Galilean Satellites. Of the 60 moons it is the 8th closest to Jupiter, with a standoff distance of 1,070,000 km. It is the 2nd largest...more
The insides of most of the moons and planets separated while they were forming out of the primitive solar nebula. Measurements by the Galileo spacecraft have been shown that Callisto is the same inside...more
Many examples of the differing types of surface are shown in this image. In the foreground is a huge impact crater, which extends for almost an entire hemisphere on the surface. This crater may be compared...more
The surface of Callisto is deeply pockmarked with craters. It looks to be perhaps the most severely cratered body in the solar system. There are also very large craters to be found there. The severity...more