Distance Affects Star Brightness · Elementary School Science · Flashcards

QUESTION

Which is brighter for the same star: at distance

d

or at distance

2d

?

QUESTION

Which star appears dimmer if two stars have the same luminosity: one at

3

units or one at

6

units?

QUESTION

Which star appears brighter if two stars have the same luminosity: one at

2

units or one at

4

units?

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