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John's Space / Astronomy Blog

Ganymede is Different Under Its Icy Skin

1 May 2014, 21:21 UTC
Ganymede is Different Under Its Icy Skin
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Jupiter's Moon May have Layers

This artist's concept of Jupiter's moon Ganymede, the largest moon in the solar system, illustrates the "club sandwich" model of its interior oceans. Courtesy NASA/JPL-Caltech

There's something different about Ganymede, the icy moon orbiting the planet Jupiter (which actually has four large moons visible to us through binoculars or a telescope). It's not just that it has an icy crust overlaying an ocean of salty water. Or that its surface seems to be mottled, cracked, and cratered, indicating interesting events happening both above and below its crust....Read Full Post

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