Titlebook: Strategies for the Search for Life in the Universe; A Joint Session of C Michael D. Papagiannis Book 1980 D. Reidel Publishing Company, Dor

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書目名稱Strategies for the Search for Life in the Universe影響因子(影響力)




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外表讀作

Uncertainty in Estimates of the Number of Extraterrestrial Civilizations. It is further argued that it is advantageous to consider explicitly these underlying assumptions in order to compare the probable numbers of civilizations operating radio beacons, permitting radio leakage, dispatching probes for radio surveillance or dispatching vehicles for manned surveillance.

察覺

N is Neither Very Small nor Very Largeficient to support hundreds of millions of individuals for hundreds of years. The laws of physics, biology, and interstellar distances thus make interstellar colonization unreasonable, and moderate values of N continue to be most plausible.

樹膠

補助

A Bimodal Search Strategy for SETItraterrestrial origin will not be any easy matter. Whether N is large or small, we do not know where to point our antennas, on what frequency to listen, nor the type of signal to search for. To determine these, we must engage in an extensive and systematic search program.

forebear

annexation

Credence

Autobiography

Strategies for SETI Through Radio Waves an Introductioning visited. But a more skeptical faction, finding no solid evidence either for visitation or for astro-engineering on a Dyson scale, concludes that either we are being quarantined (the zoo hypothesis) or else intelligent life is a very rare phenomenon (we really . alone).

projectile