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contestada

If two stars differ by 3 magnitudes, how many times greater is the flux from one star than the other?

Respuesta :

706754

Answer:  

So a second magnitude star is about two and a half times brighter than a third magnitude star. A second magnitude star is not 5 times brighter (2.5 + 2.5) than a fourth magnitude star, but rather 6.25 times brighter (2.5 x 2.5).

Explanation: