In the 1970s, NASA's Voyager ... Europa's icy crust. Moreover, planetary models indicated that Europa's interactions with Jupiter's powerful gravity could lead to tidal flexing in the moon's ...

Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto ... When the Voyager 1 spacecraft passed by Saturn, it took images that were used to discover the moon Atlas.

For instance, last year, the European Space Agency's Jupiter Icy Moon Explorer (JUICE) — which will also be exploring Europa, in addition to its larger cousins Ganymede and Callisto ...