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23 Nov 2019
Sirius is 22 times more luminous than the Sun, and Polaris (the "North Star") is 2,350 times more luminous than the Sun. Sirius appears 23 times brighter than Polaris. How much farther away from us is Polaris than Sirius? What is the distance of Polaris in light-years?
Sirius is 22 times more luminous than the Sun, and Polaris (the "North Star") is 2,350 times more luminous than the Sun. Sirius appears 23 times brighter than Polaris. How much farther away from us is Polaris than Sirius? What is the distance of Polaris in light-years?
