Social Studies, 23.10.2019 23:00 harleyquinn1241
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?
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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...
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