What Is Jupiter? | NASA
www.nasa.gov › audience › forstudentsAug 10, 2011 · Jupiter is the largest planet in the solar system. It is approximately 143,000 kilometers (about 89,000 miles) wide at its equator. Jupiter is so large that all of the other planets in the solar system could fit inside it. More than 1,300 Earths would fit inside Jupiter. Jupiter is like a star in composition.
Jupiter | Facts, Information, History & Definition - The Nine...
nineplanets.org › jupiterSep 25, 2019 · Jupiter does not have a solid surface being comprised mostly out of swirling gases and liquids such as 90% hydrogen, 10% helium – very similar to the sun. A very small fraction of the atmosphere is made up of compounds such as ammonia, sulfur, methane, and water vapor. Jupiter’s atmosphere is the largest planetary atmosphere in the solar ...