What is Jupiter in simple words?
Matthew Barrera
Updated on April 02, 2026
Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but slightly less than one-thousandth the mass of the Sun.
What is so special about Jupiter?
Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter’s stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium.
What’s special about Jupiter?
Why Jupiter is the best planet?
Jupiter is the planet that puts all of us in our place. That is not just a metaphor. As the solar system’s biggest planet, it is the most gravitationally powerful. Every other object bends to its influence; even the sun wobbles a bit thanks to Jupiter’s irresistible sway.
Why should I visit Jupiter?
We think that giant planets like Jupiter are the cornerstones of planet formation. Determining the amount of water – and therefore oxygen – in the gas giant is important not only for understanding how the planet formed, but also how heavy elements were transferred across the solar system.
What makes Jupiter unique?
What makes Jupiter’s moon Io unique in the solar system is that it presents the most active volcanic activity in the planetary system, exceeding the one shown in other planets, including Mercury, Earth, Mars and Venus. This was first discovered during the Voyager mission in 1979.
How large is Jupiter compared to Earth?
In terms of size, Jupiter is 142,984 km (88,846 miles) in diameter across its equator. If you just compare that to Earth, it’s 11.2 times the diameter of Earth.
How to find Jupiter Tonight?
The best time to spot Jupiter is during opposition.
Does Jupiter have a solid surface?
We do not yet know if a solid surface exists on Jupiter. Jupiter’s clouds are thought to be about 30 miles (50 km) thick. Below this there is a 13,000 mile (21,000 km) thick layer of hydrogen and helium which changes from gas to liquid as the depth and pressure increase.
