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Major Planets of the Solar System
Basic Planetary information. |
An astronautical unit, or AU, is roughly equal
to the mean distance between the center of Earth
and the center of the sun
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Planet | Distance from the sun (A.U.) | Period of revolution | Period of rotation | Mass (earth=1.0) | Diameter (earth=1.0) | Number of known satellites |
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Mercury | 0.39 | 88 days | 59 days | 0.06 | 0.38 | 0 |
Venus | 0.72 | 225 days | 243 days | 0.82 | 0.95 | 0 | |
Earth | 1 | 365 days | 24 hours | 1 | 1 | 1 | |
Mars | 1.52 | 687 days | 25 hours | 0.11 | 0.53 | 2 | |
Jupiter | 5.20 | 12 years | 10 hours | 317.89 | 11.19 | 16 | |
Saturn | 9.54 | 29 years | 10 hours | 95.15 | 9.44 | 18 | |
Uranus | 19.2 | 84 years | 18 hours | 14.54 | 4.10 | 20 | |
Neptune | 30.06 | 165 years | 18 hours | 17.23 | 3.88 | 8 | |
Pluto | 39.44 | 248 years | 6.4 days | 0.002? | 0.18 | 1 | |
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