Calculate Number of Alien Civilizations in the Universe Using This - Drakes Universe

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Topic: Calculate Number of Alien Civilizations in the Universe Using This - Drakes Universe

iAmThat
Knowflake

Posts: 1132
From: USA
Registered: Sep 2004

posted October 20, 2005 05:17 PM

Oops... typo in the title. Its the

Drakes Equation:

quote:
N = N* fp ne fl fi fc fL
Where:
N* represents the number of stars in the Milky Way Galaxy
fp is the fraction of stars that have planets around them
ne is the number of planets per star that are capable of sustaining life
fl is the fraction of planets in ne where life evolves
fi is the fraction of fl where intelligent life evolves
fc is the fraction of fi that communicate
fL is fraction of the planet's life during which the communicating civilizations live
N is the number of communicating civilizations in the galaxy.

http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html

Saw a bunch of guys wearing that equation on a T-shirt.

Wait a minute, how many galaxies there are in a universe to determine number of civilizations in the Universe???? LOL

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BlueRoamer
Knowflake

Posts: 1069
From: Calm Blue Ocean, Calm Blue Ocean
Registered: Jun 2003

posted October 20, 2005 05:43 PM

I saw an amazing nova special on alien life where they featured that equation. VERY COOL.

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