SUN       Nearest star

          Mean distance from Earth:  1 AU = 150,000,000 KM 

          Diameter:                  1,392,530 KM

          Mass:                      330,000 Earths

          Density:                   1.41 grams / cubic centimeter

          Surface temp:              5,800 Kelvin

          Light time to Earth:       8.3 minutes

          The Sun is a typical main sequence star - its mass, size, 
          surface temperature and chemical composition lie roughly
          midway between the extremes exhibited by other stars.
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