Life Beyond the Earth

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This chapter covers the concept of a habitable zone and the types of stars to focus on in the search for suitable planets. The basic definitions of life and the kind of planet where we think life would likely arise are covered next. At the end of the chapter the frequencies used in the Search for Extra-terrestrial Intelligence (S.E.T.I.) is discussed. The vocabulary terms in the text are in boldface.

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last updated: June 9, 2010

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Author of original content: Nick Strobel