Replying to Avatar Jameson Lopp

Sharks have survived for around 450 million years. That makes them older than:

North Star, aka Polaris (~70 MYO)

Saturn's rings (~100 MYO)

The Atlantic Ocean (~150 MYO)

One galactic orbit (200-225 MY)

Trees (390 MYO)
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π–‹π–Žπ–†π–™π–‰π–Šπ–“π–Žπ–Šπ–— (Β―`◕‿◕´¯) 2y ago

How do you even know that?

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Jameson Lopp 2y ago

Carbon dating and astrophysics?

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ricky 2y ago

Carbon dating also said the rocks of the newly formed lava dome in the crater of Mt. St. Helens are 350,000 years old

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DRE 2y ago

Somebody dug up the fossil of a shark from 450 million years ago?

Carbon dating is kind of like S2F. Best taken with a grain of salt, especially for predictions in the hundreds of millions of years

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π–‹π–Žπ–†π–™π–‰π–Šπ–“π–Žπ–Šπ–— (Β―`◕‿◕´¯) 2y ago

DNA has a half life of 521 years, after 1000 years, 75% of DNA is gone, after 7 million years, every single base pair is gone, how do you determine something that is 400X older than that?

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vnprc 2y ago

checkmate, lopp

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jerrud 2y ago

I laugh a little when I hear timelines like that. I’m not saying that those things aren’t that old, but I doubt the implicit rigid accuracy.