Effective Altruism: Ten Global Problems – 80000 Hours cover image

One: Toby Ord on existential risks

Effective Altruism: Ten Global Problems – 80000 Hours

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The Risks of Asteroids and Comets

Astronomers divide up the risk from asteroids based on the size of the asteroid. They think that there are about 920, and they've found about 95 % of them. But comets have a different power law which makes it harder to detect than asteroids. And i guesteyd a ose looking out into deeper space and getting good at finding these kind of dim objects.

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