Assume the initial gravitational potential energy of the star is
zero, and it has had a constant luminosity of 4.5 ×
1026 W for about 5 billion years. Find out by
numerical calculation if the source of the radiation energy of the
star is from its released gravitational energy through its
contraction.
Assume the initial gravitational potential energy of the star is zero, and it has had a constant luminosity of 4.5 × 102
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answerhappygod
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Assume the initial gravitational potential energy of the star is zero, and it has had a constant luminosity of 4.5 × 102
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