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0 out of 50 out of 50 out of 50 out of 50 out of 5 0.00 (0 ratings) (rate this audio book) Author: Roberto Trotta Narrator: Bronson Pinchot Publisher: Blackstone Audio Format: Unabridged Audiobook Delivery: Instant Download Audio Length: Release Date:
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From the big bang to black holes, from dark matter to dark energy, from the origins of the universe to its ultimate destiny, The Edge of the Sky tells the story of the most important discoveries and mysteries in modern cosmology—with a twist. The book’s lexicon is limited to the thousand most common words in the English language, even excluding physics, energy, galaxy, and universe. Through the eyes of a fictional scientist (Student-People) hunting for dark matter with one of the biggest telescopes (Big-Seers) on Earth (Home-World), cosmologist Roberto Trotta explores the most important ideas about our universe (All-There-Is) in language simple enough for anyone to understand.

A unique blend of literary experimentation and science popularization, this delightful book is a perfect gift for any aspiring astronomer. The Edge of the Sky tells the story of the universe on a human scale, and the result is out of this world.

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Quotes & Awards

  • “The extraordinary story of the Universe and our journey to understand it is not an easy one to tell to the general public. But because it is the story that binds us all together, it is important to tell it in myriad ways to reach as many people as possible. The Edge of the Sky is an inventive, enjoyable, and thought-provoking contribution to that effort.”


  • “[A] surprisingly clear, and often poetic, primer on such complicated topics as the big bang, dark energy, and the possibility of multiverses.”

    Scientific American

  • “The idea behind this book…is to explain everything we know about the world using only the ten hundred most used words. This is much harder than it sounds because a lot of the words that people who study our world (and all that is outside it) like to use are ones that not many people use very much.”

    Physics World

  • “In less capable hands, this experiment could backfire and become confusing rather than charming. In Trotta’s, ordinary words are bent and spun to achieve extraordinary results. He uses his self-imposed limits to find new ways to describe reality…One of the pleasures of the book is the way it grounds distant places or obscure concepts in homely language…Another is the little surprises that pop up in Trotta’s sentences, which detonate like scientific Zen koans…[A] playful, elegant little story.”

    Columbus Dispatch

  • “Trotta’s deft word choices quickly draw the reader into a surprisingly vivid alternate reality where student-persons (scientists) strive to pierce the mysteries of the All-There-Is: the universe….[T]he spare writing is elegant, even poetic. Literary experiments tend either to work or to flail with awkwardness; in Trotta’s hands, this beautifully written book, with its limited vocabulary, soars.”

    Publishers Weekly (starred review)

  • “A simplified but by no means simplistic introduction to modern cosmology and physics…An entertaining exercise, in the end, for those student-people who like to ponder the All-There-Is while testing the always-inadequate limits of language.”

    Kirkus Reviews

  • “Bronson Pinchot’s superb performance showcases what turns out to be a charming masterpiece of scientific storytelling. Pinchot introduces listeners to the 1,000 most commonly used words. His recitation takes on the quality of poetry, with its changing meter and playful inflections. Who knew a list could be so enchanting? From there, the story of all-there-is unfolds, and Pinchot’s careful narration brings Trotta’s creative wordplay to life so that listeners quickly learn to translate simple words into complex concepts. A treat for the imagination worthy of repeat listens. Winner of AudioFile Earphones Award.”


  • “How many different chords must you know before you can appreciate a symphony? How many different brush strokes must you master before you can appreciate a painting? How many different words do you need to use to appreciate the wonders of the universe? Roberto Trotta claims just one thousand and bravely put pen to paper to try and prove it in this enjoyable short volume.”

    Lawrence M. Krauss, foundation professor and director of the Origins Project at Arizona State University

  • “Cosmology and astrophysics are confusing at the best of times. But, against all the quantum odds, Dr. Roberto Trotta has managed to explain the topics using just one thousand unique words. Readers of The Edge of the Sky will be treated to a delightful, poetic journey into our world, other worlds, and beyond without ever feeling like their vocabulary is holding them back. And yet that is not this book’s greatest achievement. More impressive than the linguistic poetry and more profound than the hard science herein is the overwhelming sense of awe and wonder this book gifts the reader.”

    Stephen Follows, writer and film producer

  • “A wonder-full not-afraid story-telling try-it-and-see, about big-sky-study of today with only the ten-hundred most used words. Very not-usual, most good. Fun, too. Buy now!”

    Ian Stewart, mathematics professor emeritus, University of Warwick, and author of Visions of Infinity

  • “In a style akin to magical realism, Roberto Trotta tells the story of the cosmos—an engaging and informative book.”

    Arthur I. Miller, author of Colliding Worlds: How Cutting-Edge Science Is Redefining Contemporary Art

  • “It is often said that a picture is worth a thousand words, but this unique book reverses that old adage by employing only the thousand most commonly used English words to paint a wonderfully vivid picture of the story of our universe. The Edge of the Sky contains a compelling, almost poetic account of cosmology, encompassing the Big Bang, dark matter, dark energy, the Higgs boson, and much more and is presented in a manner that will be accessible to all. This book is a must-read for anyone interested in learning about our universe, from here to the Edge of the Sky and beyond.”

    Mike Hobson, professor of astrophysics, University of Cambridge

  • “In this unusual and engaging book, short in length but long in ideas, Roberto Trotta uncovers the mysteries of the universe, from the Big Bang (‘Big Flash’) to the dark energy (‘dark push’), in a highly original and understandable way. Once I started reading, I could not put the book down.”

    Carlos S. Frenk, Ogden Professor of Fundamental Physics, director of the Institute for Computational Cosmology, Durham University

  • The Edge of the Sky ranges from exoplanets, through dark matter and dark energy and even supersymmetry…without any technical words. Speaking as someone who works on the ‘Big Ring’ in the ‘city in a land full of safe places to put your money in’: this is big fun, and amazing that so much can be said in so few words.”

    Jonathan Butterworth, professor of physics, University College London

  • The Edge of the Sky is a highly original book, which explains the foundations and the latest discoveries and ideas in astronomy: from planets and life elsewhere in the universe to dark energy and the multiverse. Roberto Trotta, a leading cosmologist from Imperial College London, has managed to achieve this by only using fewer than the thousand most common words of the English language. This is an inspiring book for everyone.”

    Ofer Lahav, Perren Professor of Astronomy, University College London

  • “Never before did we know so much about our universe, the All-There-Is. But are we getting any closer to understanding essential components of its true nature, dark matter and dark energy, which dominate by far over the visible, familiar matter? With rare candor and true learning, Roberto Trotta takes us on an intimate adventure in search of possible answers, as he charts the story of our universe from a tiny fraction of a second after the Big Bang to the present—while conveying at the same time the very human, at once exhilarating and humbling experience of this search. All this by using merely seven hundred and seven out of the thousand most common words of the English language, charmingly arranged to shake off the familiar, leaving us to marvel at our Home-World and at the mysteries that lie beyond its edge.”

    Laura Baudis, professor of physics, University of Zurich

  • “Jargon is a perpetual problem in communicating frontier science to a general audience: everyday specialists are so immersed in their specialized argot that we cease to be aware of the barrier it creates. I therefore applaud this attempt to describe the current state of cosmology in the most stripped-down language possible. The result is transparent, and also full of marvelously vivid turns of phrase, such as ‘Mr. Einstein’s Dark Push.’ Definitely an original and distinctive addition to the literature in this area.”

    John Peacock FRS, professor of cosmology, University of Edinburgh

  • “A tale as beautiful as the great spiritual stories—with the difference that this one is built on a solid foundation of fact.”

    David J. Hand, mathematics professor emeritus, Imperial College London, and author of The Improbability Principle

  • “A delightful little gem for adults and children alike that leads you on a unique journey with its hypnotic, disarming prose. There are many books that attempt to creatively explain the universe in simple terms; this is one of the few that succeeds.”

    Bruce Bassett, head of cosmology at the African Institute of Mathematical Sciences, professor of applied mathematics at the University of Cape Town, and author of Introducing Relativity

  • “Enjoyable…[Trotta’s] extremely original approach conveys all the information with the most minimalistic use of language. I highly recommend this book to anyone interested in learning about the latest discoveries about our universe within the framework of an ‘avant-garde’ and experimental writing style.”

    Raul Jimenez, professor of theoretical physics and astrophysics, University of Barcelona

  • “Roberto Trotta’s clever metaphors illuminate dark matter and dark energy. This book is a delightful, poetic, and informative read about all there is in the universe.”

    Edward Frenkel, professor of mathematics, University of California, Berkeley, and author of Love and Math

  • The Edge of the Sky is an enthralling read that turns on its head the conventional (and in my view thoroughly misguided) wisdom that complicated scientific ideas can only be described using complicated language. Roberto Trotta takes the reader on a fascinating and entertaining journey through the very latest discoveries in astrophysics and cosmology, using only the thousand most common English words but never compromising on the clarity and detail of his scientific descriptions. The Edge of the Sky captures with child-like wonder the mysteries of the cosmos in language accessible to everyone, making it eminently suitable for children of all ages!”

    Martin Hendry, professor of astrophysics, University of Glasgow

  • Winner of an AudioFile Earphones Award
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About the Author

Roberto Trotta is a theoretical cosmologist in the astrophysics group of Imperial College London. He has held research positions at the University of Geneva and the University of Oxford, as well as visiting positions at the African Institute for Mathematical Sciences in Cape Town, the Institut d’Astrophysique de Paris, and the University of California at Santa Barbara. One of the world’s leading figures in “astrostatistics,” a new discipline focusing on the use of statistical methods to solve problems in cosmology and astrophysics, he has published more than fifty scientific papers, contributed to two books, and received numerous awards for his research, including the Michelson Prize of Case Western Reserve University, the Lord Kelvin Award of the British Association for the Advancement of Science, and a Public Engagement Fellowship by the Science and Technology Facilities Council, UK.