The Drake Equation

Ever wonder if humans are alone in the Universe? We can estimate how many intelligent civilizations exist in the Universe by approximating different variables! This app estimates the number of intelligent civilizations based on the guesses you give it.

two people on an alien shoreline looking out at other worlds and moons

Are we alone?

The Drake equation is a famous equation for estimating the number of intelligent civilizations in the visible Universe. Give your best guess for the different values in the app below and get your own estimate for the number of advanced civilizations our Universe contains!

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Astronomy