On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Callisto may not make headlines like Io or Europa, but its beauty is unmatched. See this mysterious moon as you’ve never seen ...

Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the ...

Sixty-seven orbits of Jupiter. Two close-ups of its moon Europa—where astrobiologists think microbial life may exist—21 flybys of far-out Callisto, and nine months in orbit around the biggest ...

113 x 128.3 cm. (44.5 x 50.5 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

But if you do have observing equipment, you’ll be able to zoom in and watch the dance of Jupiter’s four moons — Europa, Io, Callisto and Ganymede. Then, without moving the telescope ...

Jupiter's volcanic moon Io doesn't appear to ... but smaller gravitational tides from fellow moons Europa, Ganymede and Callisto, it means that a huge amount of tidal energy is injected into ...

If conditions are clear, anyone with a pair of binoculars or a telescope may even be able to pick out details, such as Jupiter’s four largest moons — Ganymede, Callisto, Io and Europa.

Dave Dexter, composer of The Galilean Suite, four tone poems about the largest moons of Jupiter—Io, ... [+] Ganymede, Callisto and Europa. It's fair to say that of all the moons, it’s Io—the ...

This shows the view at 9 p.m. CST. Watching the dance of the four brightest of Jupiter's 95 known moons is a lot of fun, too. Io, Europa, Ganymede and Callisto change position night after night ...