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Interesting Facts About Jupiter

• Jupiter’s four largest moons (the Galilean Satellites) are Io, Europa, Ganymede and Callisto.
• Jupiter is the largest planet in our solar system at nearly 11 times the size of Earth and 317 times its mass.
• Jupiter, being the biggest planet, gets its name from the king of the ancient Roman gods.
• Despite its size, Jupiter has the shortest day of any other planet; it only takes about 10 hours for a complete rotation.
• A lot like the Sun, Jupiter is mostly composed of hydrogen and helium. Jupiter contains the largest ocean in the solar system, an ocean of liquid hydrogen.

Source: solarsystem.nasa.gov