b) Suppose the Sun's main energy source was due to gravitational collapse and assume that the Sun has maintained a constant luminosity for the past 6000 years. What value of fractional decrease in its radius, dR/R, would have been required to account for the Sun's constant luminosity?
b) Suppose the Sun's main energy source was due to gravitational collapse and assume that the Sun has maintained a constant luminosity for the past 6000 years. What value of fractional decrease in its radius, dR/R, would have been required to account for the Sun's constant luminosity?
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Transcribed Image Text:b) Suppose the Sun's main energy source was due to gravitational collapse and assume
that the Sun has maintained a constant luminosity for the past 6000 years. What
value of fractional decrease in its radius, dR/R, would have been required to account
for the Sun's constant luminosity?
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