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This is an image of the surface of Europa.
Click on image for full size
NASA

Europa Ice Flows

This is an example of the surface of Europa. The surface may be flooded by fresh water from underground, which freezes when it touches the surface.

The edges of the flow are rounded, like a puddle of water which froze.

The water of Europa may have flowed out of the ground the way lava flows out of a volcano on Earth.


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Traveling Nitrogen Classroom Activity Kit

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Flowing Lava

Lava can move in two ways, wide flat lava flows, or through channels which squeeze the lava into a small area. The fastest lava flows move at about 6 mi/hr, an easy jog, but they average between 2/3 and...more

Ice Rafting on Europa?

The surface of Europa shows many signs of that there may be an ocean under the icy surface. For example, this picture shows what look like icebergs on Europa. Some look like they broke off a larger block...more

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Amalthea

Amalthea was discovered by E Barnard in 1872. Of the 17 moons it is the 3rd closest to Jupiter. Amalthea is about the size of a county or small state. Amalthea is named after the goat in Greek mythology...more

Callisto

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Evolution of Callisto

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