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Its surface is composed of water ice and scientists feel that there
may be liquid salty water underneath.
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It is possible that there is some form of microscopic life on Europa.
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Because it may have liquid water, it may be possible to send a manned
mission to Europa one day.
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Europa is slightly smaller than our Moon.
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Europa's is the smoothest object in the solar system.
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It has a series of striking dark streaks crisscrossing the entire globe.
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It has an atmosphere containing oxygen, one of only five moons
that we know do, in our solar system. (The others are Io, Ganymede, Titan
and Triton.)
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It has very few impact craters, only five have been discovered so far.
This may mean that Europa is relatively young, perhaps only 30 million
years old.
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It has a diameter of 3,138 km.
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The surface of Europa is very bright, about 5 times brighter than our
Moon.
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