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Podcast: Travelers In The Night
Episode: 175E-187-Ganymede's Layers
Description: You can spot Ganymede orbiting the planet Jupiter with any backyard telescope. It is the largest of the four bright moons of Jupiter discovered by Galileo Galilei in 1610. In your telescope Ganymede will be the third farthest moon from Jupiter. This tiny point of light is really a small world composed of ice, water, and rock.