Great Filter
The End Of The World with Josh Clark
00:00
Are We the Only Planet With Intelligent Life?
Looking around for signs of whether we're the only intelligent life to have ever evolved can help answer those questions. And when you look at it, the universe does seem amazingly large for Earth to be the only planet with life on it. The total number of planets and stars in our universe is mind-bogglingly large. Within that vast space, there are anywhere from 100 billion to 2 trillion galaxies,. There are billions and billions and billions of stars, and probably exponentially more planets.
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