The largest planet has the second largest number of moons, including the largest moon in the solar system, Ganymede. One of Jupiter’s 79 moons, Europa, has oceans — making it a contender for finding life beyond Earth.
If Venus has the longest day, Jupiter has the shortest in the solar system. It makes a full rotation once every dizzying 10 hours.
The gas giant planet may not actually have a solid surface, like our planet does. If it does have a secret inner core, scientists believe it’s likely teeny — about the size of one little Earth. - JUPITER
The planet’s signature stripey look is actually made of clouds of ammonia and water. Its Great Red Spot is a huge elliptical storm system that’s lasted for hundreds of years, but may turn circular and dissolve at some point in the future. - JUPITER