humanoidhistory:Behold Ganymede, moon of Jupiter, March 4, 1979, observed by the Voyager 1 space pro
humanoidhistory:Behold Ganymede, moon of Jupiter, March 4, 1979, observed by the Voyager 1 space probe from a distance of 2.6 million kilometers (1.6 million miles). (San Diego Air & Space Museum) -- source link