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Due to the fusion reaction occurring in the Sun, its temperatureincreases gradually (varies) due to which life moves from one planet to theother with increasing distance from the Sun and life is supported in a certainarea which is known as the ‘Life Distance’ and can be defined as ‘ Themean of the range of distance from the star (Sun in the solar system) in whichlife is supported’ and the mean is known as the ‘Life Line’. That meansthat with an increase in temperature there is an increase in the ‘LifeDistance’. So we can say that temperature of the Sun is directly proportionalto the ‘Life Distance.’
Lifedistance (D) a temperature of the Sun
(kis the universal life distance constant).
Calculationfor the value of universal constant of `Life Distance`
Weknow that T i.e. the surface temperature of the Sun = 5500 degree C 5773 K
Di.e. life distance lies at the distance of the earth i.e.1 A.U (AstronomicalUnit).
Wehave to find out k
We know that D=kT
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Inorder to prove the theory we are going to study the data available for variousplanets like Temperature
Average Surface Temp. (in degree C)
Itis clear from the above data that the average surface temperature decreases withan increase in distance from the Sun. Except for Venus we see a very consistentgraph the reason for this is that Venus is surrounded with thick green housegases due to which it is excessively hot and is hotter than Mercury butaccording to the law the temperature of Mercury must be more than that of Venus,so Venus can be considered an exception for this law. So we can say that thesurface temperature of a planet is inversely proportional to the distance fromthe Sun.
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Distanceof the planet from the Sun (d) a1/surface temperature of the planet (t)
or,d= l /t
wherel is the universal variable for temperature of planets.
Nowl needs to be defined in a proper way in order to get a universal constant
Nowif the distance ‘d’ is the life distance,
l =Dtlife distance
d= Dtlife distance/t ……….(1).
d= kTtlife distance/t
Ithas been experimentally verified that the temperature of life distance tlifedistance is 254.357 K which is a universal constant.
So, Equation (1) can be written as d = 254.357xD/t
Or, t = 254.357xD/d………….(2)