18 WAYS THE WORLD COULD END
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In 1983, Brandon Carter, British cosmologist,framed the “Doomsday Argument”, a statistical way to judge when we might join them. If humans were to survive a long time and spread through the galaxy, then the total number of people who will ever live might number in the trillions. By sheer odds, it is unlikely that we would be among the very first hundredth of a per cent of all those people. Or we can turn the argument around: How likely is it that this generation will be the unlucky one?
Around one-fifth of all the people who have ever lived are alive today. The odds of being one of the people to witness doomsday are highest when there is the largest number of witnesses around so now is not such an improbable time. Human activity is severely disrupting almost all life on the planet.
The rate of extinctions is 10,000 times the average in the fossil record. We might think about endangered species in abstract terms, but the next statistic on the list could be us. How terrifying!
These are the 18 great causes that could tragically end our planet world. Be prepared and get ready to move to the other planet:
1. Asteroid impact
2. Gamma-ray burst
3. Rogue black holes
4. Collapse of the vacuum
5. Giant solar flares
6. Flood-basalt volcanism
7. Global epidemics
8. Ecosystem collapse
9. Global warming
10. Biotech disaster
11. Reversal of Earth’s magnetic field
12. Particle accelerator mishap
13. Global war
14. Nanotechnology disaster
15. Toxins
16. Robots take over
17. Mass insanity
18. Alien invasion
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