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   What type of rock is Europa made of?

   • Europa is primarily made of silicate rock and has a water-ice crust and probably an iron-nickel core. It has a very thin atmosphere, composed primarily of oxygen. Cracks and streaks striate its surface, but craters are relatively few.

   Europa - NASA Science

   science.nasa.gov/jupiter/moons/europa/

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   What is Europa made of?

   • 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 does. Unlike the interior of Earth, however, the rocky interior of Europa is surrounded by a layer of water and/or ice that is between 50 and 105 miles (80 and 170 km) thick, according to NASA.

   Europa: A guide to Jupiter's icy moon | Space

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   What is the atmosphere of Europa composed of?

   • The atmosphere of Europa can be categorized as thin and tenuous (often called an exosphere), primarily composed of oxygen and trace amounts of water vapor. However, this quantity of oxygen is produced in a non-biological manner.

   Europa (moon) - Wikipedia

   en.wikipedia.org/wiki/Europa_(moon)

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   Does Europa have water?

   • Learn more at NASA Astrobiology › Liquid water tops the list of ingredients for life, and Europa has lots of it. Scientists think Europa has a salty ocean beneath its icy crust with about twice as much water than all of Earth's oceans combined.

   Ingredients for Life | Why Europa – NASA's Europa Clipper

   europa.nasa.gov/why-europa/ingredients-for-life/

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2. science.nasa.gov › jupiter › moonsEuropa: Facts - NASA Science

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   Europa’s surface is made of water ice and so it reflects 5.5 times the sunlight than our Moon does. Europa orbits Jupiter at about 417,000 miles (671,000 kilometers) from the planet, which itself orbits the Sun at a distance of roughly 500 million miles (780 million kilometers), or 5.2 astronomical units (AU).

3. www.space.com › 15498-europa-sdcmpEuropa: A guide to Jupiter's icy moon | Space

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   May 3, 2023 · What is Europa made of? Europa is mostly made of silicate rock (chemical formula SiO_x). The outermost layer is yet made of water ice — H2O. Does Europa have water?

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     Ingredients for Life | Why Europa – NASA's Europa Clipper

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5. en.wikipedia.org › wiki › Europa_(moon)Europa (moon) - Wikipedia

   en.wikipedia.org › wiki › Europa_(moon)

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   Slightly smaller than Earth's Moon, Europa is made of silicate rock and has a water-ice crust [15] and probably an iron–nickel core. It has a very thin atmosphere, composed primarily of oxygen. Its geologically young white- beige surface is striated by light tan cracks and streaks, with very few impact craters.