Wednesday 21 September 2011

What is Good // N.A.S.A // Earth

Earth Stats


Mass (kg)5.976e+24
Mass (Earth = 1)1.0000e+00
Equatorial radius (km)6,378.14
Equatorial radius (Earth = 1)1.0000e+00
Mean density (gm/cm^3)5.515
Mean distance from the Sun (km)149,600,000
Mean distance from the Sun (Earth = 1)1.0000
Rotational period (days)0.99727
Rotational period (hours)23.9345
Orbital period (days)365.256
Mean orbital velocity (km/sec)29.79
Orbital eccentricity0.0167
Tilt of axis (degrees)23.45
Orbital inclination (degrees)0.000
Equatorial escape velocity (km/sec)11.18
Equatorial surface gravity (m/sec^2)9.78
Visual geometric albedo0.37
Mean surface temperature15°C
Atmospheric pressure (bars)1.013
Atmospheric composition
Nitrogen
Oxygen
Other

77%
21%
2%

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