28. Go Sirius B is a white star that has a surface temperature (in kelvins)that is four times that of our sun. Sirius B radiates only 0.040 times thepower radiated by the sun. Our sun has a radius of 6.96 × 10° m. Assumingthat Sirius B has the same emissivity as the sun, find the radius of Sirius B.

Given: Sirius B radiates 0.040 times the power radiated by the Sun. The surface temperature of…

Answered: 28. Go Sirius B is a white star that…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter11: Energy In Thermal Processes

Section11.5: Energy Transfer

Problem 11.5QQ: Stars A and B have the same temperature, but star A has twice the radius of star B. (a) What is the...

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