General Information on the Sun


Solar Statistics
 Mass (kg)1.989e+30 
 Mass (Earth = 1)332,830 
 Equatorial radius (km)695,000 
 Equatorial radius (Earth = 1)108.97 
 Mean density (gm/cm^3)1.410 
 Rotational period (days)25-36* 
 Escape velocity (km/sec)618.02 
 Luminosity (ergs/sec)3.827e33 
 Magnitude (Vo)-26.8 
 Mean surface temperature6,000°C 
 Age (billion years)4.5 
 Principal chemistry
Hydrogen
Helium
Oxygen
Carbon
Nitrogen
Neon
Iron
Silicon
Magnesium
Sulfur
All others

92.1% 
7.8% 
0.061% 
0.030% 
0.0084% 
0.0076% 
0.0037% 
0.0031% 
0.0024% 
0.0015% 
0.0015% 

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Solar Structure
Solar Eclipses
Solar Prominences and Flares