#Jupiter and his 4 #Galilean #moons as seen #yesterday on the #nightsky a few degree left of the #moon. Its distance to the earth was 4.879 #AstronomicalUnits or approximately 750.000.000 km. These 4 moons #Io #Ganymede #Europa and #Callisto were discover
by gabriel_winkler 8 years ago | via Instagram