The Triassic-Jurassic Extinction
Hacker News
SEPTEMBER 16, 2023
214 million years ago an asteroid hit what is now Canada. Now the crater is a ring-shaped reservoir 70 kilometers in diameter: Manicouagan Reservoir. Did this impact cause a mass extinction? The asteroid was 5 kilometers across, while the one that killed the dinosaurs much later was 10 kilometers across. But this is still huge!…
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