All four Galilean moons are on one side of Jupiter tonight. From left to right : Callisto, Ganymede, Europa and Io.
Picture taken with iPhone X through a 4 inch refractor. t.co/KrjIQpG9u…
All four Galilean moons are on one side of Jupiter tonight. From left to right : Callisto, Ganymede, Europa and Io.
Picture taken with iPhone X through a 4 inch refractor. t.co/KrjIQpG9u…