๐ช Space and stars ๐ช The Sun and planets
Jupiter
๐ In short
Jupiter is the biggest planet in the solar system, a gas giant and the fifth planet from the Sun. It's eleven times wider than the Earth, and if it were hollow it could hold about a thousand Earths!
๐คฉ Did you know?
- Jupiter's mass is 318 times the Earth's.
- The temperature at the top of Jupiter's clouds is about 140 degrees below zero.
- Jupiter's axis is tilted only 3 degrees.
- Jupiter has thin, faint rings that are hard to see.
๐ Find out more
๐ A planet with no ground
Jupiter has no solid surface to stand on; it's made mostly of hydrogen and helium, covered in colorful clouds that form brown, white and orange stripes.
๐ The Great Red Spot
On Jupiter a huge red storm has been spinning for at least hundreds of years, and it's bigger than the Earth! Scientists call it the Great Red Spot.
๐ก Lots of moons
Jupiter has dozens of moons; the four biggest were discovered by Galileo: Io, with active volcanoes, Europa, covered in ice with an ocean beneath, Ganymede, the biggest moon in the solar system, and Callisto.
๐ฏ It spins fast
Although Jupiter is huge, it spins very fast, so its day is less than 10 hours long! But its year is long, about 12 Earth years.
๐ธ More pictures
๐งฉ Test yourself
1 What is the biggest planet in the solar system?
2 What is the Great Red Spot?
3 Jupiter's mass is ?? times the Earth's.
4 Which picture shows โJupiterโ?
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