Details : Item 214

 MomSonBirdCatDaughterDadDog
Terrestrial planets
Gas giants
Gas giants 2
Ice giants
Dwarf planets
Others

Famille : Gas giants 2/Dad
Rhea
Moon of Saturn
Rhea has a rather typical heavily cratered surface. In
2010, NASA announced the discovery of an atmosphere,
an exosphere coposed of oxygen and carbon dioxide.
Properties
Albedo0.949
Radius (km)763.8
Mass (kg)2.307x10+21
Density (g/cm3)1.236
Gravity (m/s2)0.264
Orbital period (days)4.518
Orbital speed (km/s)8.48
Temperature (K)53->99
Discovery date1672 (G. Cassini)