Infrared observations indicate that Saturn gives off 2.8 times the energy it receives from the Sun for a total internal power loss of 2 x 1017 W. Assume that gravitational contraction releases this...

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Infrared observations indicate that Saturn gives off 2.8 times the energy it receives from the Sun for a total internal power loss of 2 x 1017 W. Assume that gravitational contraction releases this thermal energy. How much must Saturn shrink per year to account for this output?

Answered 39 days AfterJun 11, 2022

Answer To: Infrared observations indicate that Saturn gives off 2.8 times the energy it receives from the Sun...

Aditi answered on Jul 20 2022
67 Votes
Solution
Let the mass of the Saturn be denoted by 
M = 5.68*1026 kg
Radius of Saturn
R = 5.82*10
7m
The contraction of a star due to the loss of thermal energy due to gravitational contraction is a mechanism which is called The Kelvin-Helmholtz Mechanism.
Given the power generated by this...
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