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At a distance of 4 LY, Proxima Centauri is the closest star to the Earth (other than the Sun) and is clearly visible to the unaided eye for observers located in the Southern hemisphere. If it were located
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At a distance of 4 LY, Proxima Centauri is the closest star to the Earth (other than the Sun) and is clearly visible to the unaided eye for observers located in the Southern hemisphere. If it were located instead at a distance of 8 LY, its apparent brightness in our night sky would be?

User VMMF
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It's apparent brightness in our night sky would be 1/4 of its present value.

User Edurne Pascual
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