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Mercury - Hottest Planet
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| Diameter | 4878 km / 3029 ml |
| Mass | 0.555 times the Earth |
| Average Temperature | -176 degree C / 304 deg. F |
| Rotation Period | 59 Earth Days |
| Tilt of axis | 2 Degree |
| Average distance from Sun | 57 900 000 km / 36 000 000 ml |
| Length of year | 88 Earth Days |
| No. of known moons | None |
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto |