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Wikipedia There is more information available on this subject at Jupiter on the English Wikipedia.
Jupiter
Jupiter

Star, position

Sol, V

Moon(s)

Jovian Moons (63)

Diameter

142,984 km

Length of day

0.4135344 days (deep interior)
0.41007 days (equatorial)
0.41369942 days (high latitude)

Length of year

4331.5 days (11.85920 years)

Atmosphere

89.8% Hydrogen
10.2% Helium
0.3% Methane
0.026% Ammonia
0.003% Hydrogen Deuteride
0.0006% Ethane
0.0004% Water

Government

UNSC/UEG

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Jupiter is the fifth and largest planet in the Sol System. It was the site of various battles, dating back from the Interplanetary War to the Human-Covenant war.

HistoryEdit

The planet was named after the Roman god of the sky and king of the other gods, Jupiter. Jupiter has been known since ancient times, however its four Major moons, also known as Galilean moons, were only discovered in 1610 by Galileo. In 1892, a fifth moon of Jupiter was discovered, but smaller than the four others. Humans first sent spacecraft was in late 1973, known as the Pioneer 10. Other spacecrafts soon followed, thus discovering more moons and increasing the understanding of the gas giant. Jupiter has rings that are much fainter than those of Saturn's, which were discovered years later after the visit of the first spacecraft.

Interplanetary WarEdit

Jupiter represented a major battle zone during the Interplanetary War.

Jovian Moons campaignEdit

Main article: Jovian Moons campaign

During the Jovian Moons campaign of 2160, the Frieden secessionist movement attacked the UN Colonial Advisors stationed on Io. The attack led to the Jovian Moons campaign and the beginning of the Interplanetary War.[1]

Jupiter uprising

A Covenant battle group and the Forerunner Dreadnought seen in the proximity of Jupiter.

Human-Covenant WarEdit

During the Human-Covenant war, Jupiter was once again a location of particular importance.[2] Io Station detected a Covenant fleet of 15 ships exiting Slipspace just outside of Jovian space a few moments before the Battle of Earth.

The Forerunner Dreadnought and Truth's Fleet escorting it passed Jupiter while on their way to Earth.[3]

Characteristics Edit

Average Orbital Speed: 13.07 km/s
Volume: 1.43128×1015 km³
Surface Area: 6.21796×1010 km²
Equatorial Rotation Velocity: 45,300 km/h
Surface Pressure: 20-200 kPa

SourcesEdit

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