this post was submitted on 19 Nov 2025
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Sharks are older than the North Star. (450mya vs. 70mya)
Sharks are older than trees. (450mya vs 390mya)
Sharks are older than Saturn's rings.
https://en.wikipedia.org/wiki/Rings_of_Saturn#Formation_and_evolution_of_main_rings
The sharks thing actually leads to another fun fact:
Sharks are older than some of the north star, as the noth star is actually a binary star system next to a solo star. I forget what part it's actually older than, so here's the source.
https://youtu.be/-YU8Vt9VpbE
And just to be clear, Polaris is not actually the "North Star" all the time. North Stardom rotates around on a 26,000 year period, as the earth precesses. That's crazy lightning fast spinning on the time scales we're taking about.
There was a 20 million year window, in which dead trees just piled up. Nothing could digest the lignin. This is how germany's brown coal reserves came to be.