If a star’s surface temperature is 30,000 K, how much power does a square meter of its surface radiate?
1 Answer
May 23, 2015
To calculate the emitted power per square meter we need to use Stefan-Boltzmann’s Law,
that is,
where
Given/Known:
area =
Unknown:
Solution:
(answer has 1 sig fig due to 1 sig fig in 30000K)
Resources:
http://astroweb.case.edu/ssm/100f09/HW4_soln.pdf
http://en.wikipedia.org/wiki/Stefan%E2%80%93Boltzmann_law
