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- Largest planet in the Solar System
- Lacks a solid, rocky crust like Earth
- Discovered in ancient times
- Named after the king of the Roman pantheon
- Radius: 71,492 kilometers (11 times Earth's radius)
- Circumference: 449,197 kilometers
- Surface area: 62.8 billion square kilometers (122 times Earth's)
- Mass: 1.89x1027 kilograms (318 times Earth's mass)
- Average distance from the Sun: 7.8 million kilometers
- 63 known moons in its orbitNASA: Jupiter - Facts & Figures
- : 89.8%
- : 10.2%
- Trace amounts of methane, ammonia, hydrogen deuteride, ethane, waterNASA: Jupiter Fact Sheet
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About Jupiter
Jupiter is the fifth planet from the Sun, and is the largest planet in the Solar System. Jupiter is almost entirely made of gas, which separates into latitudinal bands. The different bands interact violently, and cause atmospheric storms that are visible from space. The largest of these storms is called the Great Red Spot, and has been observed on the planet for centuries.NinePlanets.org: Jupiter
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Jupiter Questions
What role does Jupiter play in the solar system? 1 AnswerSomeone had to be the Jovial one. :-) When it comes to having moons, Jupiter shows the other planets how to do it right. Plus Mozart needed to end on a revolu... read more
What is the surface of Jupiter like? 2 AnswersCold. It's -150 degrees C (-235 F), twice as cold as the coldest place on Earth. read more
Which is older, Jupiter or the Sun? 2 AnswersJupiter is around 4.6 billion years old. It formed along with the entire solar system. Sun and Jupiter are contemporaries. It may be impossible to say which for... read more
What role does Jupiter play in the orbit path of the earth? 1 AnswerJupiter stabilizes Earth climate and preserves our planet from being hit by comets and asteroids serving as a space vacuum cleaner. The Earth's orbit is an elli... read more
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