Počet civilizací ve vesmíru
- „two communicative civilizations exist in our galaxy at any given time, on average, plus two hundred more that are not trying to communicate“ – en.wikipedia.org/wiki/Drake_equation
- „There are probably more than 170 billion (1.7 × 10^11) galaxies in the observable universe“ – en.wikipedia.org/wiki/Galaxy
Ve vesmíru je tedy asi 34 340 miliard civilazací.







