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Broadcasting but not receiving: density dependence considerations for SETI signals
Published online by Cambridge University Press: 29 June 2009
Abstract
This paper develops a detailed quantitative model which uses the Drake equation and an assumption of an average maximum radio broadcasting distance by an communicative civilization. Using this basis, it estimates the minimum civilization density for contact between two civilizations to be probable in a given volume of space under certain conditions, the amount of time it would take for a first contact, and the question of whether reciprocal contact is possible.
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- Copyright © Cambridge University Press 2009
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