But by measuring the way that Europa interacts with the magnetic field of Jupiter, and looking at how those cracks in the ice that you can see there on that graphic move around, we've inferred very strongly that there's an ocean of liquid surrounding the entire surface of Europa.
Bet mērījumi rāda, ka tas, kā Eiropa mijiedarbojas ar Jupitera magnētisko lauku, un skatoties uz šīm plaisām ledū, kas redzamas attēlā, mēs ar lielu pārliecību secinām, ka tur ir šķidruma okeāns, kas aptver visu Eiropas virsmu.