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This book is about the search for extraterrestrial intelligence, taking seriously the current scientific arguments and its implications for religion.
Looks at SETI's validity as a research programme and examines recent attempts to contact other intelligent life forms. Also assesses theories on the origin of life on Earth, discoveries of former solar planets and proposals for space colonies.
Looks at SETI's validity as a research programme and examines recent attempts to contact other intelligent life forms. Also assesses theories on the origin of life on Earth, discoveries of former solar planets and proposals for space colonies.
Have you ever wondered what could happen when we discover another communicating species outside the Earth? This book addresses this question in all its complexity. In addition to the physical barriers for communication, such as the enormous distances where a message can take centuries to reach its recipient, the book also examines the biological problems of communicating between species, the problems of identifying a non-Terrestrial intelligence, and the ethical, religious, legal and other problems of conducting discussions across light years. Most of the book is concerned with issues that could impinge on your life: how do we share experiences with ETI? Can we make shared laws? Could we trade? Would they have religion? The book addresses these and related issues, identifying potential barriers to communication and suggesting ways we can overcome them. The book explores this topic through reference to human experience, through analogy and thought experiment, while relying on what is known to-date about ourselves, our world, and the cosmos we live in.
Publisher description: Searching for signals from other worlds is a great venture of our time. If extraterrestrials are out there, we may be able to find their broadcasts--which would reveal fascinating New Worlds that are home to minds something like our own. Over one hundred searches for 'little green men' have been made over the last 50 years without finding ET. Most searches were modest--often a single professor working part-time, viewing a short list of stars for a few minutes each, and listening on a thin sliver of frequency smaller than one television channel. The sky could be blaring with radio super-stations at places on the radio dial that we've not yet tuned, or flickering with laser flashes that our few optical searches have yet to spot. It's possible that nobody is out there, or that they don't broadcast, or that they are too far away, or that our searches will be fruitless for other reasons. But it's worth searching because finding Others would change our view of things in a big way--and might even bring us goodies including better television programming --
If you are interested in how researchers plan to search the heavens for signs of intelligent life, you should have this book. SETI 2020 is a new, and remarkably comprehensive study of how scientists busy with the Search for Extraterrestrial Intelligence (SETI) should direct their efforts between now and the year 2020. Distilling the work of dozens of top SETI experts, astronomers, and technology mavens, this book gives an overview of the problem of finding evidence for extraterrestrial technologies, and how to best address it. New radio telescopes consisting of large arrays of relatively small antennas are proposed and detailed. So are new types of antennas that can survey the entire sky at once. Of particular interest is the extensive treatment of optical SETI -- the search for signals beamed our way using high-powered, pulsed lasers or their equivalent. A book that's interesting for both the layman and the technically sophisticated, SETI 2020 is the definitive publication in this fascinating field.
New York Times Bestseller | Wall Street Journal Bestseller | Publishers Weekly Bestseller | Publishers Marketplace 2020 Buzz Book | Amazon Best Book of the Year | Longlisted for the 2022 PEN/E.O. Wilson Literary Science Writing Award “Provocative and thrilling ... Loeb asks us to think big and to expect the unexpected.” —Alan Lightman, New York Times bestselling author of Einstein’s Dreams and Searching for Stars on an Island in Maine Harvard’s top astronomer lays out his controversial theory that our solar system was recently visited by advanced alien technology from a distant star. In late 2017, scientists at a Hawaiian observatory glimpsed an object soaring through our inner solar system, moving so quickly that it could only have come from another star. Avi Loeb, Harvard’s top astronomer, showed it was not an asteroid; it was moving too fast along a strange orbit, and left no trail of gas or debris in its wake. There was only one conceivable explanation: the object was a piece of advanced technology created by a distant alien civilization. In Extraterrestrial, Loeb takes readers inside the thrilling story of the first interstellar visitor to be spotted in our solar system. He outlines his controversial theory and its profound implications: for science, for religion, and for the future of our species and our planet. A mind-bending journey through the furthest reaches of science, space-time, and the human imagination, Extraterrestrial challenges readers to aim for the stars—and to think critically about what’s out there, no matter how strange it seems.
Originally published in Great Britain by Profile Books Ltd, 2016.