
- Moon Name: Europa
- Formed: Around 4.5 billion years ago
- Discovered: January 8th 1610 by Galileo Galilei
- Distance from Jupiter: Between 413,126 miles (perigee) and 420,629 miles (apogee)
- Distance from the Sun: Around 484,000,000 miles
- Time to Orbit Around Jupiter: About 3 and a half Earth days
- Total Surface Area: 19,021,969 square miles
13 Europa Facts for Kids
- Europa formed around 4.5 billion years ago.
- Europa was discovered by Galileo Galilei on January 8th, 1610.
- Europa is one of Jupiter’s seventy-nine known moons.
- Europa has a radius of about 969 miles.
- The closest Europa gets to Jupiter is 413,126 miles (perigee).
- The farthest Europa gets from Jupiter is 420,629 miles (apogee).
- It takes Europa about three and a half Earth days to orbit the planet Jupiter.
- Jupiter’s moon Europa is one of the most likely locations in our Solar System that could potentially harbor life.
- Europa has a very thin atmosphere that is primarily oxygen.
- The surface of Europa is mostly comprised of solid water ice.
- The surface temperature of Europa is never warmer than -260 degrees Fahrenheit.
- It’s possible that Europa might have twice as much water under its surface than all the water on Earth.
- As of 2019, Europa has been visited by five spacecrafts. The spacecrafts names were Pioneer 10 (1973), Pioneer 11 (1974), Voyager 1 (1979), Voyager 2 (1979) and Galileo (Between 1995 and 2003).
Pictures of the moon Europa

A photo of Europa taken by NASA’s Galileo spacecraft in the late 1990s.Credit: NASA

A photo of Europa with a really nice close-up view of the surface.Credit: NASA

An artist’s concept of what a plume of watervapor might look like.Credit: NASA
Additional Resources on Jupiter’s Moon Europa
- Europa Moon – Wikipedia – Discover more about Europa on the Wikipedia website.
- In Depth | Europa – NASA Solar System Exploration – Learn more about Europa on the NASA Solar System Exploration website.
- Overview | Europa – NASA Solar System Exploration – Find out more facts about Europa on the NASA Solar System Exploration website.
- Europa: Facts About Jupiter’s Icy Moon and Its Ocean – Explore Europa more on the Space.com website.