Astronomy Demystified by Stan Gibilisco

Author:Stan Gibilisco
Language: eng
Format: epub, pdf
Publisher: McGraw-Hill Education
Published: 2010-07-13T16:00:00+00:00

The Green Bank Formula

Suppose that the evolution of intelligent life on our planet Earth is not a miracle. Then extraterrestrial life exists! This part of the problem being solved by faith, let’s play a mind game that involves an attempt to calculate the number of other intelligent civilizations we would find if we could travel freely among the stars, galaxies, and clusters of galaxies throughout the known Universe. This mind game involves cheating on the “probability fallacy.”

We are going to talk about the likelihood, as a proportion, that certain things have happened, are happening, or will happen in our Cosmos. When we say that the chances of some event taking place on a planet are 1 in 100, we really mean that if we could visit a large number of planets, say, 1 million of them, then that event would be discovered on 1/100, or 10,000, of them.

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