Details : Item 214
| Mom | Son | Bird | Cat | Daughter | Dad | Dog | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Terrestrial planets |  |  |  |  |  |  |  | ||||
| Gas giants |  |  |  |  |  |  |  | ||||
| Gas giants 2 |  |  |  |  |  |  |  | ||||
| Ice giants |  |  |  |  |  |  |  | ||||
| Dwarf planets |  |  |  |  |  |  |  | ||||
| Others |  |  |  |  |  |  |  | ||||
 | |||||||||||
| Famille : Gas giants/Bird |
|---|
|
| Europa |
| Moon of Jupiter Exploration of Europa began in 1973 (Pioneer). It has the smoothest surface of any known solid object in the Solar System. |
| Properties | |
|---|---|
| Albedo | 0.67 |
| Radius (km) | 1560.8 |
| Mass (kg) | 4.799x10+22 |
| Density (g/cm3) | 3.013 |
| Gravity (m/s2) | 1.316 |
| Orbital period (days) | 3.551 |
| Orbital speed (km/s) | 13.740 |
| Temperature (K) | 102 |
| Discovery date | 1610 (G. Galileo) |