Moon
Europa
TypeMoon
Mass4.8 × 10²² kg
Diameter3,122 km
Orbital Radius671,100 km
Orbital Period3.55 days
Rotation Period85.23 hours
Known Moons0
Surface Gravity1.31 m/s²
Average Temp-160 °C
AtmosphereO2 (thin)
Discovered ByGalileo Galilei
Discovery Year1610
About Europa
Has a smooth, icy surface covering a global saltwater ocean. The ocean may contain twice the water of all Earth oceans combined. One of the best candidates for extraterrestrial life. Surface shows linear cracks and ridges from tidal flexing. Europa Clipper mission launched in 2024.
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