Moons of Gas Giants
Jupiter
Io Innermost moon Composed of Sulfur Volcanically Active Heat is generated by tidal forces
Europa Smallest of the Galilean moons Few craters Faults Smoother than a ping-pong ball Underwater ocean Life?
Ganymede Largest moon in the solar system Two types of terrain Dark terrain is older Light terrain is covered in ridges Has a magnetic field
Callisto 3rd largest moon in solar system High crater density Is not effected by tidal heating Low density Most likely place to be used as a base
Saturn
Mimas: composed mostly of water not perfectly spherical Herschel
Enceladus: 6th largest moon ice on surface ~ 100% reflectivity active eruptions
Tethys: has one of most visual reflective surface Ithaca Chasma
Dione: 3rd densest heavily cratered terrain ‘wispy terrain’
Titan Largest moon of Saturn and 2nd largest moon in the solar system. Discovered by Christiaan Huygens Has an atmosphere denser than that of Earth Life? May this help us discover the learn more about earth’s beginnings?
Saturn: Hyperion Irregular (nonspherical) body Discovered by George Phillips Bond, American composed primarily of water ice with only a small amount of rocky material
Saturn: Iapetus 3rd largest moon of Saturn Discovered by Cassini in 1671 With a density of only 1.1, Very Unique moon, jet black on one side, and snowy white on the other.
Uranus
Miranda Most Geologically active moon of Uranus Possible heat source from collision
Ariel Youngest and brightest moons of Uranus 70% is composed of ice Has some minor geologic activity
Umbriel Darkest of Uranus’s moons Most prominent feature is a large impact crater Black material thought to be dug up from past impact
Titania Uranus’s largest moon Is thought to be 50% ice Has many deep faults
Oberon Second largest moon of Uranus Has many faults Core makes of 63% of Oberon Has a large crater count
Neptune
Triton Retrograde orbit Has a high inclination orbit Is the same size as Earth’s moon Thought to be a captured moon, either had a collision or had a twin
Triton Very high Albedo Few craters Geologically active Cantaloupe terrain