What do we need to measure in order to determine a star's luminosity?

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asked Mar 18, 2018 50.6k views

2 Answers

Jacek Szybisz · Answer 1 · 2018-03-23T22:46:56+0000

We need to measure the longitudinal wavs of the star and the velocity light takes to reach the star. We ust lek's law of harmonics:
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