I actually fact checked this and it's true.
this post was submitted on 08 Nov 2023
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Shark facts aside, the fact that Polaris is a ternary system, rather than a single star has completely blown my mind.
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.
Amazing!
Source? Stars in multiple star systems are usually the same age.
I found a source saying he's mistaken. If you scroll way down, it says all three stars are 70 million years old.
The snopes article someone posted goes into that