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3. Calculate the radius of a 12,000 K white dwarf with a luminosity of 0.0004 solar luminosities. (You can take the Sun's surface temperature to be 5780 K, and note that its radius is 696,000 km.)
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Transcribed Image Text:3. Calculate the radius of a 12,000 K white dwarf with a luminosity of 0.0004 solar luminosities. (You can take the Sun's surface temperature to be 5780 K, and note that its radius is 696,000 km.)
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