 Jupiter
is the fifth closest planet to the sun. The Greeks know Jupiter as Zeus.
Jupiter is the largest of the planets. The symbol is a stylized lightning
bolt.
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JUPITER
FACTS
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| Equatorial Diameter: |
142,800 km. |
| Mass: |
317.8 x Earth's. |
| Density: |
1.33 |
| Surface Gravity: |
2.87 x Earth's. |
| Distance From the Sun: |
778.3 million. km. |
| Year Length: |
syndoic, 399 days. |
| Rotation Period: |
9 hours, 55 minutes, 30 seconds. |
| Atmosphere: |
extensive; mostly hydrogen helium; some methane,
ammonia. |
| Satellites: |
4 large, 12 small. |
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