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Earth
.186 km/s Sidereal rotation period0.99726968 d[8] 23h 56m 4.100s Equatorial rotation velocity465.11 m/s Axial tilt23.439281° Albedo0.367 Surface temp. Kelvin Celsiusminmeanmax 184 K287 K331 K −89 °C14 °C57.7 °C ... Earth world people space nasa universe music show cosmos macrocosm country planet astrology astronomy Atmosphere Surface pressure101.3 kPa (MSL) Composition78.08% Nitrogen (N2) 20.95% Oxygen (O2) 0.93% Argon 0.038% Carbon dioxide About 1% water vapor (varies with climate)clasic ... |

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