Alien Communication Probability

Drake Equation visualizer.

๐Ÿ“œ The Origins

A visual deep-dive into the Drake Equation, formulated by Frank Drake in 1961 to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way.

๐Ÿš€ Master the Tool

Adjust the sliders for star formation, habitable planets, and the 'Great Filter' variables. Watch as the number of potential neighbors in our galaxy shifts from zero to millions.

Drake Equation Simulator
N = R* โ‹… fp โ‹… ne โ‹… fl โ‹… fi โ‹… fc โ‹… L

Astrophysical Factors

2 / yr
50%
2 / system

Biological Factors

10%
1%

Sociological Factors

1%
10,000 yrs
Active Civilizations in Milky Way
0

We are effectively alone in the galaxy.

Pro Tips

01The 'L' factor (civilization longevity) is the biggest unknown.
02We've only been 'listening' for about 60 years.
03The Fermi Paradox asks: 'Where is everybody?'

The Fine Print (FAQ)

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