Sky & Telescope on-line article on SETI

Larry Klaes (
Mon, 19 Jul 1999 13:38:29 -0400

SETI Suite: The Living Universe

The Chance of Finding Aliens:
Reevaluating the Drake Equation

In 1961, astronomer Frank Drake wrote the equation that
put the search for alien civilizations on a scientific
footing and launched the modern SETI movement.

How do the equation's numbers look today?

                By Govert Schilling

(Adapted from Sky & Telescope December 1998. Updated and expanded
                by Sky & Telescope, May 1999.)

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