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Two stars appear the same brightness to us on Earth. One is 40 light-years away, one is 90 light-years away. Which has the higher luminosity?

Two stars appear the same brightness to us on Earth. One is 40 light-years away, one is 90 light-years away. Which has the higher luminosity?
asked 119k views
1 vote
Two stars appear the same brightness to us on Earth. One is 40 light-years away, one is 90 light-years away. Which has the higher luminosity?

asked
User Amir Uval
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7.4k points

1 Answer

6 votes
90 light years away …..
answered
User Robert Goldwein
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8.5k points
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