'The light from those millions of stars you see is probably many thousands of years old' is a rare example of laypeople substantially OVERestimating astronomical numbers.

"Ancient Stars", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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'The light from those millions of stars you see is probably many thousands of years old' is a rare example of laypeople substantially OVERestimating astronomical numbers.