Two stars have the same brightness when viewed from Earth. Is it correct to say the stars are the same distance from Earth and have the same temperature?

1 Answer
aniruddho r.
Nov 17, 2015

Not necessarily.

Explanation:

The brightness of a star when viewed from Earth depends on two things:-

  1. It's luminosity, &
  2. It's distance from Earth.

So two stars when viewed from Earth may appear equally bright due a no. of different combinations of the above two factors.

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