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The Sun (and a "Sun-Grazer") from Soho
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Sun Data and Statistics
Mass (kg) = 1.989e+30
Mass (Earth = 1) = 332,830
Equatorial radius = 695.000 Km
Equatorial radius (Earth = 1) = 108,97
Mean density (gm/cm^3) = 1,410
Rotational period (days) = from 25 up to 36
Escape velocity = 618,02 Km per second
Luminosity (ergs/sec) = 3.827e33
Magnitude (Vo) = - 26,8
Mean surface temperature = 6.000°C
Age (billion years) = approx. 4.5
Principal chemistry: Hydrogen 92,1%; Helium 7,8%; Oxygen 0,061%; Carbon 0,030%; Nitrogen 0,0084%; Neon 0,0076%; Iron 0,0037%; Silicon 0,0031%; Magnesium 0,0024%; Sulfur 0,0015%; others 0,0015%
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(Dettagli)
