1. How Fuelish is the Sun?
What fuels the sun

2. needed to account for the
Life Expectancy of Sun ?
What if the source of the Sun’s energy was
the combustion of coal? (carbon)
C + O CO2
1 ton tons tons
1.6 x tons/sec of coal
needed to account for the
Sun’s energy output.
Mass of Sun = 4.5 x 1026 tons

3. CO2 would smother the reaction !!
Potential Life expectancy of the Sun using
energy generated by combustion of Coal.
= =
Mass of Sun
4.5 x 1026 tons
x 1010 seconds
Combustion/sec
1.6 x tons/sec =
x 1010 seconds
0.886 x 103 years
3.16 x 107 sec/year
Sun would only last 886 years…….
Unfortunately …..
CO2 would smother the reaction !!
Coal-Computation

4. 600 x 106 tons/sec tons of Hydrogen needed to account for the
Life Expectancy of Sun ?
What if the source of the Sun’s energy was
the Fusion of Hydrogen into Helium?
4 H He + energy (matter converted to energy)
4(1.0079) ( – 4.003= mass units converted to energy)
600 x 106 tons/sec tons of Hydrogen
needed to account for the
Sun’s energy output.
Mass of Sun = 4.5 x 1026 tons

5. From what astronomers have observed ….
Potential Life expectancy of the Sun using
energy generated by Fusion of H into He.
= =
Mass of Sun
4.5 x 1026 tons
7.5 x 1017 seconds
Energy from fusion/sec
600 x 106 tons/sec =
7.5 x 1017 seconds
2.37 x 1010 years
3.16 x 107 sec/year
Sun has enough H for 23,700,000,000 years
From what astronomers have observed ….
Stars like our Sun build a core of Helium that stops the fusion of Hydrogen after about 10 billion years causing the star to expand into a Red Giant that will envelope the Earth.
That will happen about 5 billion years
from now ….
Be prepared to MOVE!
Fusion-Computation