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Giraun
From Wikipedia, the free encyclopedia
Giraun o It emi namba tri planet bilong san. Emi nambawan bikpela planet long graun long rot bilong san. Giraun i moa hevi na bikpela long olgeta planets long rot bilong san. Em i kolim tu dispela Giraun, Planet Giraun, Gia, Tera, na dispela Wol.
Quick Facts Designations, Adjective ...
![]() Famous "Blue Marble" photograph of Earth, taken from Apollo 17. |
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Designations
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Adjective | Terrestrial, Terran, Telluric, Tellurian, Earthly | |||||||||
Orbital characteristics | ||||||||||
Epoch J2000 | ||||||||||
Aphelion | 152,097,701 km 1.0167103335 AU |
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Perihelion | 147,098,074 km 0.9832898912 AU |
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Semi-major axis | 149,597,887.5 km 1.0000001124 AU |
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Eccentricity | 0.016710219 | |||||||||
Average orbital speed | 29.783 km/s 107,218 km/h |
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Inclination | Reference (0) 7.25° to Sun's equator |
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Longitude of ascending node | 348.73936° | |||||||||
Argument of perihelion | 114.20783° | |||||||||
Satellites | 1 (the Moon) | |||||||||
Physical characteristics
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Mean radius | 6,371.01 km | |||||||||
Equatorial radius | 6,378.137 km | |||||||||
Polar radius | 6,356.752 km | |||||||||
Surface area | 510,065,600 km² | |||||||||
Volume | 1.0832073 × 1012 km³ | |||||||||
Mass | 5.9736 × 1024 kg | |||||||||
Mean density | 5,515.3 kg/m³ | |||||||||
Equatorial surface gravity | 9.78033 1 m/s²[1] 0.99732 g |
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Escape velocity | 11.186 km/s 40,270 km/h |
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Sidereal rotation period |
0.997258 d 23h 56m 04.09054s[1] |
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Equatorial rotation velocity | 465.11 m/s | |||||||||
Axial tilt | 23.439281° | |||||||||
Albedo | 0.367 | |||||||||
Surface temp. Kelvin Celsius |
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Atmosphere
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Surface pressure | 101.3 kPa (MSL) | |||||||||
Composition | 78.08% N2 20.95% O2 0.93% Argon 0.038% Carbon dioxide Trace water vapor (varies with climate) |
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