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| Quick Facts SIZE:88,736 miles (142,800 kilometers) at the equator. DISTANCE FROM SUN:Jupiter is the 5th planet from the sun, about 483.6 million miles away. LENGTH OF YEAR: About 12 earth years ROTATION PERIOD: 9 hours and 55 minutes ATMOSPHERE COMPOSITION:Jupiter is a gaseous planet with an atmosphere composed mostly of hydrogen and helium, and has some traces of methane, ammonia, and other gases. The most prominent atmospheric features are the Great Red Spot, a storm at least 300 years old and three large white ovals that formed in 1939. NATURAL SATELLITES: 16 known natural satellites, Metis, Adrastea, Amalthea, Thebe, Io, Europa, Ganymede, Callisto, Leda, Himalia, Lysithea, Elara, Ananke, Carme, Pasiphae, and Sinope. 12 of these are of small diameter.
DISTINCTIVE FEATURE: Great Red Spot INTERESTING FACTS: Jupiter spins faster than any other planet. It is the largest planet and it would take 1,000 earths to fill up the volume of this planet! |