When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
00:00
00:00
Save
Article from
nationalgeographic.com

67 orbits of Jupiter's moons

Jupiter’s 70 or so moons are dominated by the four Galilean satellites—Io, Europa, Ganymede, and Callisto—that were discovered by Galileo Galilei in 1610. Credit: National Geogr… 
More

marswalkers
MarsWalkers 🚀 Space Exploration & Technology
73k followers

More like this