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							What do you see?
             Main parameters

• Color -> Spectral Class -> Temperature (T)

• Luminosity (L) -> Magnitude (M)

• Mass (m)
        The value of the main solar
              parameters...

• Color: Yellow
• Spectral Class: G
•Temperature: 6000° K
• Luminosity: 4*1026 Watt
• Magnitude: +5
• Mass: m=2*1030 Kg
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                     Formulas...
                                                   2 
                           Lstar                   M 
                                  100  10        5 
                           LSun


                m 3
t m.s.    10   Sun  Years
             10
                m 
                 star 

     LStar : LSun  mStar
                             3.5            3.5
                                   : mSun