Europa Exploration: Fast Facts
Five spacecraft have visited Europa up close — and scientists do regular checkups on the tiny moon with the powerful Hubble Space Telescope. More missions are planned.
- NASA is building a future mission called Europa Clipper and ESA is developing a mission called JUICE (JUpiter ICy moons Explorer).
- Most of what we know about Europa comes from several years of orbital observations by the Galileo spacecraft.
- The moon was first observed up close during the Jupiter flybys of Pioneer 10, Pioneer 11, Voyager 1 and Voyager 2.
- Europa, one of the first four moons discovered beyond Earth, played a crucial role in ancient understanding of how our solar system works.