Jupiter

Jupiter is the fifth planet from sun and the biggest planet in the solar system, it's about 300 times more mass then earth. It is a gas gaint planet. It's named after the Roman God Jupiter. 

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Credits : nasa

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Jupiter profile

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Type - gas gaint
Length of a year - 4,333 Earth day's
Distance from sun - 778.5 million km
Mean radius - 69,911 km(43,423 miles)
Equatirial radius - 71,492 km(44,423 miles)
Polar radius - 66,854 km(41,541 miles)
Surface gravity - 24.79 m/s
Escape velocity - 59.5 km/s(37 miles/s)
Mean temperature - 165 k (-108°C)

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Atmosphere

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Surface pressure - 20 - 200kpa

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Composition - 

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hydrogen - 89%
helium - 10%
Methane - 0.3%
Ammonia - 0.026%
hydrogen deuteride - 0.0028%
Ethane - 0.0006%
Water - 0.0004%

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Orbit

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Average orbital speed - 13.08 km/s
Known natural satellite - 79