Science
How to Survive a Killer Asteroid – WIRED
The impact that wiped out the dinosaurs would probably have killed you too—unless you were in the exact right place and had made the exact right plans.
When Galileo trained his telescope on the moon in 1609 and discovered perfectly circular craters dominating its topography, astronomers began to wonder how they formed. A few astronomers, like Franz von Gruithuisen, an early-19th-century German, proposed asteroid impacts as the cause. But most rejected this theory based upon one simple, supremely confounding fact: The moons craters are almost perfect circles. And, as anyone who has thrown a rock into dirt can tell you, that isnt what an impact scar…
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