Europa Overview
They are called the Galilean moons after Italian astronomer Galileo Galilei, who first observed them with a homemade telescope in January 1610. Europa is primarily made of silicate rock and has a water-ice crust and probably an iron-nickel core.
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Like our planet, Europa is thought to have an iron core, a rocky mantle, and an ocean of salty water. Unlike Earth, however, Europa's ocean lies below a shell ...
Slightly smaller than Earth's Moon, Europa is made of silicate rock and has a water-ice crust and probably an iron–nickel core. It has a very thin ...
May 3, 2023 · Pictures and data from the Galileo spacecraft suggest Europa is made of silicate rock, and has an iron core and rocky mantle, much like Earth ...
Europa has a tenuous atmosphere that is mostly oxygen and contains traces of water and hydrogen; the surface pressure of the atmosphere is about 100 billion ...
This atmosphere is composed solely of oxygen. Unlike our atmosphere, the oxygen in Europa's atmosphere is likely not produced biologically. Europa's atmosphere ...
Oct 4, 2023 · Europa is one of Jupiter's moons and apparently has a “water-ice crust”, “salty ocean of liquid water”, and a “rocky sea floor”.
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Sep 6, 2022 · What's it made of? Like our planet, Europa is thought to have an iron core, a rocky mantle, and an ocean of salty water. Unlike Earth, however ...