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The brightest star in the Earth’s night sky is Sirius A (also known as the Dog...

The brightest star in the Earth’s night sky is Sirius A (also known as the Dog Star). Using the Blackbody PhET simulator

a) At what wavelength is the spectral power density of Sirius A maximum?  

b) How do the intensities of blackbody radiation emitted from the Sun and Sirius A compare?  

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