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| | Meaning | Messenger of the Gods | | Position | 1 | | Discoverer | - | | Discovered | - | | Length of Day ( hrs ) | 4222.6 | | Distance from Sun ( 10^6Km ) | 57.9 | | Volume (10^10 km3) | 6.083 | | Equatorial Radius | 2439.7 | | Volumetric Mean Radius | 2439.7 | | Ellipticity | 0 | | Mean Density | 5427 | | Surface Gravity | 3.7 | | Surface Acceleration | 3.7 | | Escape Velocity | 4.3 | | Orbit Period | 87.969 | | Orbit Eccentricity | 0.2056 | | Average Temperature | 440K/160C | | Surface Pressure | -10-15 | | Average Temperature | 440K/160C | | Atmosphere | 42% Oxygen (O2), 29% Sodium (Na), 22% Hydrogen (H2), 6% Helium (He), 0.5% Potassium (K), possible trace amounts of Argon (Ar), Carbon Dioxide (CO2), Water (H2O), Nitrogen (N2), Xenon (Xe), Krypton (Kr), Neon (Ne) | | Moon Count | 0 | | Moons | | | Picture Copyright | N.A.S.A. |
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