Reinventing SETI

New Directions in the Search for Extraterrestrial Intelligence

John Gertz

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Hardback

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English

Oxford University Press Inc
03 November 2025

Cosmology & the universe; Astronomical charts & atlases

For millennia, humanity has looked up at the sprawling tapestry of stars and wondered what lay beyond. With time, we learned that each star is not a pinprick point in a domed sky, but a massive plasma sphere so far away that the distance becomes incomprehensible to the human mind, measured in light years of millions and billions. This distance invokes crucial questions. Do we share the universe with other intelligent lifeforms? If so, how do we approach the Search for Extraterrestrial Intelligence (SETI)? Lastly, do we need to examine our assumptions about extraterrestrial intelligence?

Reinventing SETI clears out the cobwebs of outdated or wrongheaded SETI paradigms such as Fermi's Paradox, the Drake Equation, and METI (i.e., proactively sending signals from Earth to putative aliens). It argues that scientists should approach the pursuit of extraterrestrials (ETs) in a more effective manner. Author John Gertz states that ETs, as biological lifeforms themselves, cannot accomplish interstellar travel, but have instead placed robotic probes throughout the universe, perhaps even in our own Solar System. Gertz also warns that humankind is woefully unprepared for the day of First Contact with an alien probe right here in our own backyard. He suggests contingency planning, involving international cooperation as well as broad cross-disciplinary expertise.

Humorous and deeply informative, this book takes the reader through the universe, conventional SETI methods, ideas on future ET exploration, and a discussion on who else shares this space.

By: John Gertz
Imprint: Oxford University Press Inc
Country of Publication: United States
Dimensions: Height: 235mm, Width: 156mm,
ISBN: 9780197800416
ISBN 10: 0197800416
Pages: 240
Publication Date: 03 November 2025
Audience: Professional and scholarly , College/higher education , Undergraduate , Further / Higher Education
Format: Hardback
Publisher's Status: Active

John Gertz is a leader in the field of SETI, the search for extraterrestrial intelligence, having served three terms as chairman of the board of the SETI institute and he currently serves as the only layman on the Breakthrough Listen Advisory Board. He has published a number of peer reviewed theoretic papers on the subject of SETI.

Reviews for Reinventing SETI: New Directions in the Search for Extraterrestrial Intelligence

Millions have been enthralled by the SETI search for 'others' out there in the cosmos, especially since the film CONTACT. Less well-known are the arguments and outright tussles that have long roiled the field, which some have called a hybrid: half hard science and half wishful religion. John Gertz has seen it all, as an insider and as outsider gadfly. His insights and proposals will rock some of your assumptions about the search for tech-sapient life in the universe. - David Brin, PhD, Best-Selling Science Fiction Author