The x-ray spectrometer on board a satellite measures the wavelength at the maximum intensity emitted by a
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The x-ray spectrometer on board a satellite measures the wavelength at the maximum intensity emitted by a particular star to be λm = 82.8 nm. Assuming that the star radiates like a blackbody,
(a) Compute the star’s surface temperature.
(b) What is the ratio of the intensity radiated at λ = 70 nm and at λ = 100 nm to that radiated at λm?
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