25 People On The Horrifying Scientific Theory That Triggered An Existential Crisis

9. The cold death of the universe is spooky

“Cold death of the universe theory always spooks me.

It’s the idea that the universe will eventually expand so far that it will become too cold to support life it’ll just kinda go dark.

It’s eerie and depressing.” — Monochrome_Cosmonaut

10. There might be a comet about to collide with Earth that we cannot see

“We can usually only see comets when they are inside of the frost line (roughly the asteroid belt) because they are bright and begin to sublimate and a tail is produced. Comets have very eccentric orbits, so they spend a majority of the time outside of the frost line, and out of our view. Since they are so difficult to detect, we have only found around a couple thousand of them. There are most likely hundreds of millions if not billions of comets in our solar system. It is very possible that there is a comet on a collision course with Earth, and we would not be able to see it until it crosses the frost line. By then, it would be about 6 months out from impacting us. There is absolutely nothing we could do to stop it in 6 months. Also since comets have very eccentric orbits, their relative velocity to Earth is much higher than an asteroid, so it would cause much more damage. I’m talking global climate change and possible extinction of our species. A comet impact would be vastly more devastating than the impact that wiped out the dinosaurs.” — OsamaBinLolling

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