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Sharks Rule, Rule (slrpnk.net)

submitted 10 months ago by [email protected] to c/[email protected]

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I actually fact checked this and it's true.

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[–] [email protected] 4 points 10 months ago (1 children)

Unlikely Polaris. The luminosity difference between Polaris Aa and the other two is 3 orders of magnitude. Mizar and Alcor (the doublet second from the end of the Big Dipper) has been used for centuries as a vision test. If you can see the doublet, it’s equivalent to 20/20 (or 6/6) on an eye chart.