Here’s the real reason why we still haven’t found alien life – ScienceAlert

The Milky Way Galaxy alone is home to between 100 billion and 400 billion stars, and each is potentially orbited by planets. There are probably at least two trillion galaxies like ours in the observable universe, each one populated by trillions of planets orbiting hundreds of billions of stars.

Even if planets capable of sustaining life are exceedingly rare, on the numbers alone there should be intelligent life somewhere in the universe

http://www.sciencealert.com/here-s-the-real-reason-why-we-still-haven-t-found-intelligent-life

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