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It is the third brightest natural object in the Earth's night sky, after the Moon and Venus, and has been observed since prehistoric times. Its name derives from that of Jupiter, the chief deity of ancient Roman religion.
3 days ago · Learn about Jupiter, the largest and most massive planet in the solar system, with a powerful magnetic field and a ring system. Explore its history, structure, atmosphere, moons, and more with Britannica.
Jupiter is the largest and oldest planet in the solar system, with 95 moons and a powerful magnetic field. Learn more about its features, history, and current missions with NASA's resources and images.
- Structure and Surface
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Jupiter is the biggest planet in our solar system. It is actually more than twice as massive than the other planets of our solar system combined.Jupiter is a gas giant. It is made mostly of hydrogen and helium.Jupiter has a very thick atmosphere.Jupiter has rings, but they’re very hard to see.One day on Jupiter goes by in just 10 hours.One year on Jupiter is the same as 11.8 Earth years.Jupiter has 95 officially recognizedmoons.Jupiter is the fifth planet from the Sun. That means Mars and Saturn are Jupiter’s neighboring planets.Jupiter has been known since ancient times because it can easily be seen with just our eyes. No special equipment is needed.Jupiter has been visited or passed by several spacecraft, orbiters and probes, such as Pioneer 10 and 11, Voyager 1 and 2, Cassini, New Horizons, and Juno.Jupiter has auroras, just like Earth! Not only are the auroras huge in size, they are also hundreds of times more energetic than auroras on Earth. And, unlike those on Earth, they never cease.Learn about Jupiter, the biggest planet in our solar system, with its stormy atmosphere, rings, moons, and auroras. Explore Jupiter's structure, surface, time, history, and more with interactive features and images.
- Jupiter is the fourth brightest object in the solar system. Only the Sun, Moon and Venus are brighter. It is one of five planets visible to the naked eye from Earth.
- The ancient Babylonians were the first to record their sightings of Jupiter. This was around the 7 or 8 century BC. Jupiter is named after the king of the Roman gods.
- Jupiter has the shortest day of all the planets. It turns on its axis once every 9 hours and 55 minutes. The rapid rotation flattens the planet slightly, giving it an oblate shape.
- Jupiter orbits the Sun once every 11.8 Earth years. From our point of view on Earth, it appears to move slowly in the sky, taking months to move from one constellation to another.
Learn about Jupiter, the largest planet in our solar system, and its iconic Great Red Spot storm. Find out how NASA explores Jupiter and its moons with spacecraft and telescopes.
Mar 18, 2023 · Learn about Jupiter's size, distance, surface, moons, rings, missions and more from this comprehensive article by Space.com. Find out how Jupiter was discovered, what it is made of, why it has a Great Red Spot and if it could become a star.
