"The Drake Equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy."

Intelligent Life: Apply Elsewhere

Do Advanced Alien Civilizations Exist? Astrobiologists Provide a New Take on Drake’s Equation

BBC - Future - Science   Environment - Drake equation  How many alien civilizations exist -152752

BBC - Future - Science Environment - Drake equation How many alien civilizations exist

A revised version of the Drake equation, a mathematical formula for the probability of finding life or advanced civilizations in the universe.

Are we alone in the universe? Revisiting the Drake equation

The home page of NASA’s Exoplanet Exploration Program, the search for planets and life beyond our solar system.

Neil deGrasse Tyson talks Drake Equation, Earth's Smallness

Neil deGrasse Tyson talks Drake Equation, Earth's Smallness

Drake Equation - Considerable disagreement on the values of most of these parameters exists. Drake states that given the uncertainties, there are probably between 1000 and 100,000,000 civilizations in the galaxy. {Wikipedia}

Drake Equation - Considerable disagreement on the values of most of these parameters exists. Drake states that given the uncertainties, there are probably between 1000 and civilizations in the galaxy.

Carl Sagan discusses the Drake Equation, which essentially says that there is a very good chance of life on other planets...http://www.youtube.com/watch?v=MlikCebQSlY

Drake's Equation explained by Carl Sagan. The equation estimates that there are "active, communicative extraterrestrial civilizations” in the Milky Way galaxy. Surely, we are not alone.

We'll Find Alien Life in This Lifetime, Scientists Tell Congress By Nola Taylor Redd, Space.com Contributor   |   May 24, 2014 Currently, SETI houses only 24 full-time scientists. Of those, two-thirds are from the United States.

We'll Find Alien Life in This Lifetime, Scientists Tell Congress

On behalf of the entire SETI Institute, we wish one and all a safe and happy holidays and a joyous new year, full of wonder and exploration! -- Bill Diamond, President and CEO (Image credit: Danielle Futselaar)

The graphic above by Danielle Futselaar is the famous Drake Equation, representing the full spectrum of science undertaken at the SETI Institute.

[astrobiology] The famous Drake Equation put forward by Frank Drake back in the 1961. See also "Rare Earth equation" (a somewhat less trusted equation, but interesting nonetheless).  ~Al. A.

[astrobiology] The famous Drake Equation put forward by Frank Drake back in the See also "Rare Earth equation" (a somewhat less trusted equation, but interesting nonetheless).

The Drake Equation which is used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. | 23 Incredibly Elegant Science Tattoos

The Drake Equation which is used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. And it looks like its written in an elven font.

Lower Sleeve Nice Physics Drake Equation Tattoo

The Drake equation is a probabilistic argument used to arrive at an estimate of the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.

Frank Drake with cosmic equation to gauge the presence of intelligent life in the cosmos. The Drake Equation identifies specific factors believed to play a role in the development of civilizations in our galaxy.<br />

Frank Drake with cosmic equation to gauge the presence of intelligent life in the cosmos. The Drake Equation identifies specific factors believed to play a role in the development of civilizations in our galaxy.

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