Ganymede, eyi totobijulo ninu awon osupa yi ni diamita totobiju planet Mercury lo.Jupiteri ti je wiwakiri ninu lopolopo igba pelu oko-ofurufu roboti, agaga nigba awon iranlose ifokoja Pioneer ati Voyager ati leyin won pelu Galileo orbiter.. 
jẹ aṣe-oko-okowo to gba ebun Nobel ninu Oro-Ìtọ́kasí.Awon Ọjọ́ìbí niawon ẹlẹ́bùn ninu oro-awon yanranti ara Amerika ara Amerika.. 