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Signatures of Life : Science Searches the Universe by Ashpole, Edward is a book available to read on EtoBox.

What is Signatures of Life : Science Searches the Universe about?

An intriguing overview of the ways in which science could find evidencefor extraterrestrial lifeAre we alone in the universe, oris life a universal phenomenon?For fifty years,astronomers in SETI (Search for ExtraterrestrialIntelligence) have scanned the universe for intelligent signals, but with no success. In this intriguing book, Edward Ashpole explains the probable reasons for this and discusses other avenues of investigation more in line with the nature of science and technology. The author examines the problems inherent in scanning the universe for radio or optical signals from an alien intelligence. Theseinclude the difficulty of trying to communicate with another species possessing a completely unknown form of technology and the vast distances that alien communications would have to travel to reach us. This leads Ashpoleto other ways of finding evidence for extraterrestrial life, giventhat advanced civilizations would probably use artificial intelligenceforinterstellar travel. Our scientists now know how to detect the presence of life on a planet by observing its spectral lines, so more advanced alien researchers would have had ample time (about two billion years) to investi

Author

Ashpole, Edward

Publisher

Prometheus ; Roundhouse [distributor

Published

2012

Language

EN

ISBN

9781616146696

Subjects

Science, Biology, Astronomy

Rating

2.6 / 5 (4 ratings)

Updated

2026-03-13