Callisto (Jupiter IV) is a moon of the planet Jupiter. It was discovered in 1610 by Galileo Galilei. It is the third-largest moon in the Solar System and the second largest in the Jovian system, after Ganymede.
Beautiful shot of the expansive milky way. _______________________ Your planet needs you! We're looking for young creatives to get involved in this year's to inspire the world to live a more thoughtful lifestyle… Photography by Toby Harrison