# so I have a question stating that Star A is 4x as luminous as Star B, and Star A is 4x the distance from Star B.

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I need help understanding the Inverse Square Law for Light.. so I have a question stating that Star A is 4x as luminous as Star B, and Star A is 4x the distance from Star B. The question is how do the apparent brightnesses compare. I think the answer is Star A is 1/4 the apparent brightness as Star B but I’m not sure.

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so I have a question stating that Star A is 4x as luminous as Star B, and Star A is 4x the distance from Star B. was first posted on November 22, 2020 at 8:37 pm.