WATER CARDS

Callisto

Card 1 of 2

A Moon of Jupiter

The image displays Callisto, one of Jupiter's moons, portrayed as a spherical celestial body. The surface is marked by a multitude of craters, giving it a heavily pockmarked texture. The predominant colors are a mix of browns, grays, and whites, with bright spots scattered across its surface, indicating impact sites. The overall appearance suggests a heavily cratered and ancient surface, characteristic of this natural satellite.

Subsurface Reservoir     244💧

Callisto may have an underground ocean of salty liquid water. 

Gravity

Callisto’s gravity is 0.13 times the gravity of Earth.

Composition

Rock & Ice

The image depicts a three-dimensional cutaway model of Callisto, one of Jupiter's moons. The exterior of the model shows a brown, rocky surface with a slightly textured appearance. A triangular section is cut away to reveal the internal structure. Inside, there are multiple layers with varying textures. The outermost layer underneath the surface is greyish-white and appears to be icy or frosty. Beneath this layer, the interior comprises a speckled, darker core, suggesting a mixed composition of rock and ice.

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