
Alien Earths
The New Science of Planet Hunting in the Cosmos
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Narrated by:
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Cassandra Campbell
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Dr. Lisa Kaltenegger
About this listen
This program features an introduction and epilogue read by the author.
"In the grand tradition of Carl Sagan and Neil deGrasse Tyson, we now have a new tour guide to the cosmos."―Charles Cockell, Professor of Astrobiology, University of Edinburgh
"Absorbing, informative, and entertaining."―Kirkus (Starred Review)
“[Dr. Lisa] Kaltenegger's accessible scholarship and [Cassandra] Campbell's grounded performance encourage listeners to gaze skyward and wonder.”—AudioFile
Riveting and timely, a look at the research that is transforming our understanding of the cosmos in the quest to discover whether we are alone.
For thousands of years, humans have wondered whether we're alone in the cosmos. Now, for the first time, we have the technology to investigate. But once you look for life elsewhere, you realize it is not so simple. How do you find it over cosmic distances? What actually is life?
As founding director of Cornell University's Carl Sagan Institute, astrophysicist Lisa Kaltenegger has built a team of tenacious scientists from many disciplines to create a specialized toolkit to find life on faraway worlds. In Alien Earths, she demonstrates how we can use our homeworld as a Rosetta Stone, creatively analyzing Earth's history and its astonishing biosphere to inform this search. With infectious enthusiasm, she takes us on an eye-opening journey to the most unusual exoplanets that have shaken our worldview—planets covered in oceans of lava, lonely wanderers lost in space, and others with more than one sun in their sky! And the best contenders for Alien Earths. We also see the imagined worlds of science fiction and how close they come to reality.
With the James Webb Space Telescope and Dr. Kaltenegger’s pioneering work, she shows that we live in an incredible new epoch of exploration. As our witty and knowledgeable tour guide, Dr. Kaltenegger shows how we discover not merely new continents, like the explorers of old, but whole new worlds circling other stars and how we could spot life there. Worlds from where aliens may even be gazing back at us. What if we're not alone?
A Macmillan Audio production from St. Martin’s Press.
©2024 Dr. Lisa Kaltenegger (P)2024 Macmillan AudioListeners also enjoyed...
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Critic reviews
“A stellar exploration … Readers will be riveted.”—Publishers Weekly
“Exquisite book is for all who have peered into the night sky pondering the mysteries of the universe … a mind-bending journey.”—Booklist (starred)
“Eloquent … Science and space enthusiasts will revel in this journey through the cosmos. They will undoubtedly learn novel information along the way.”—Library Journal
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Story
In the beginning, Earth was an inhospitably alien place—in constant chemical flux, covered with churning seas, crafting its landscape through incessant volcanic eruptions. Amid all this tumult and disaster, life began. The earliest living things were no more than membranes stretched across microscopic gaps in rocks, where boiling hot jets of mineral-rich water gushed out from cracks in the ocean floor. In A (Very) Short History of Life on Earth, Henry Gee zips through the last 4.6 billion years with infectious enthusiasm and intellectual rigor.
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incredibly annoying
- By A reader on 12-22-21
By: Henry Gee
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Waves in an Impossible Sea
- How Everyday Life Emerges from the Cosmic Ocean
- By: Matt Strassler
- Narrated by: Christopher Grove
- Length: 11 hrs and 31 mins
- Unabridged
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In Waves in an Impossible Sea, physicist Matt Strassler tells a startling tale of elementary particles, human experience, and empty space. He begins with a simple mystery of motion. When we drive at highway speeds with the windows down, the wind beats against our faces. Yet our planet hurtles through the cosmos at 150 miles per second, and we feel nothing of it. How can our voyage be so tranquil when, as Einstein discovered, matter warps space, and space deflects matter? The answer, Strassler reveals, is that empty space is a sea, albeit a paradoxically strange one.
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No pdf
- By Mark on 01-14-25
By: Matt Strassler
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The Genesis Book
- The Story of the People and Projects That Inspired Bitcoin
- By: Aaron van Wirdum
- Narrated by: Christian Neale
- Length: 10 hrs and 33 mins
- Unabridged
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Bitcoin did not appear out of nowhere. For decades prior to Satoshi Nakamoto’s invention, a diverse group of computer scientists, privacy activists, and heterodox economists tried to create a digital form of money that could operate independently of government control. The Genesis Book tells the story of the people and projects that inspired the invention of the world’s first successful peer-to-peer electronic cash system.
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The story you’ll never hear in the media! Amazing!
- By Clayton G Braun on 05-03-25
By: Aaron van Wirdum
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Life as No One Knows It
- The Physics of Life's Emergence
- By: Sara Imari Walker
- Narrated by: Sara Imari Walker
- Length: 7 hrs and 20 mins
- Unabridged
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What is life? This is among the most difficult open problems in science, right up there with the nature of consciousness and the existence of matter. All the definitions we have fall short. None help us understand how life originates or the full range of possibilities for what life on other planets might look like. In Life as No One Knows It, physicist and astrobiologist Sara Imari Walker argues that solving the origin of life requires radical new thinking and an experimentally testable theory for what life is.
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Fascinating thought patterns
- By John linden on 09-10-24
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Fantastic Numbers and Where to Find Them
- A Cosmic Quest from Zero to Infinity
- By: Antonio Padilla
- Narrated by: Antonio Padilla
- Length: 13 hrs and 53 mins
- Unabridged
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For particularly brilliant theoretical physicists like James Clerk Maxwell, Paul Dirac, or Albert Einstein, the search for mathematical truths led to strange new understandings of the ultimate nature of reality. But what are these truths? What are the mysterious numbers that explain the universe? In Fantastic Numbers and Where to Find Them, the leading theoretical physicist and YouTube star Antonio Padilla takes us on an irreverent cosmic tour of nine of the most extraordinary numbers in physics, offering a startling picture of how the universe works.
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Exciting, Strange, Difficult = Meh
- By Michael on 05-23-23
By: Antonio Padilla
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Crossing the Borders of Time
- A True Story of War, Exile, and Love Reclaimed
- By: Leslie Maitland
- Narrated by: Leslie Maitland
- Length: 18 hrs and 48 mins
- Unabridged
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Leslie Maitland is an award-winning former New York Times investigative reporter whose mother and grandparents fled Germany in 1938 for France, where, as Jews, they spent four years as refugees—the last two under risk of Nazi deportation. In 1942 they made it onto the last boat to escape France before the Germans sealed the harbors. Then, barred from entering the United States, they lived in Cuba for almost two years before immigrating to New York.
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I didn't want it to end..absolutely wonderful!
- By Ellen on 05-07-12
By: Leslie Maitland
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Putting Ourselves Back in the Equation
- Why Physicists Are Studying Human Consciousness and AI to Unravel the Mysteries of the Universe
- By: George Musser
- Narrated by: Alan Peterson
- Length: 8 hrs and 45 mins
- Unabridged
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Neuroscientists have painstakingly built up an understanding of the structure of the brain. Could this help physicists understand the levels of self-organization they observe in other systems? These same physicists, meanwhile, are trying to explain how particles organize themselves into the objects around us. Could their discoveries help explain how neurons produce our conscious experience? Exploring these questions and more, George Musser tackles the extraordinary interconnections between quantum mechanics, cosmology, human consciousness, and artificial intelligence.
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Strong Start, Discursive Ending
- By Oliver on 01-17-24
By: George Musser
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What Is Real?
- The Unfinished Quest for the Meaning of Quantum Physics
- By: Adam Becker
- Narrated by: Greg Tremblay
- Length: 11 hrs and 45 mins
- Unabridged
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Every physicist agrees quantum mechanics is among humanity's finest scientific achievements. But ask what it means, and the result will be a brawl. For a century, most physicists have followed Niels Bohr's Copenhagen interpretation and dismissed questions about the reality underlying quantum physics as meaningless. A mishmash of solipsism and poor reasoning, Copenhagen endured, as Bohr's students vigorously protected his legacy, and the physics community favored practical experiments over philosophical arguments.
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Good, "light" "read"... potential caveat below...
- By James S. on 03-31-18
By: Adam Becker
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Parallel Worlds
- A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos
- By: Michio Kaku
- Narrated by: Marc Vietor
- Length: 14 hrs and 50 mins
- Unabridged
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In Parallel Worlds, world-renowned physicist and best-selling author Michio Kaku - an author who "has a knack for bringing the most ethereal ideas down to earth" (Wall Street Journal) - takes listeners on a fascinating tour of cosmology, M-theory, and its implications for the fate of the universe.
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Misleading title
- By Fara on 09-14-16
By: Michio Kaku
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Turning to Stone
- Discovering the Subtle Wisdom of Rocks
- By: Marcia Bjornerud
- Narrated by: Rebecca Stern
- Length: 9 hrs and 41 mins
- Unabridged
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Earth has been reinventing itself for more than four billion years, keeping a record of its experiments in the form of rocks. Yet most of us live our lives on the planet with no idea of its extraordinary history, unable to interpret the language of the rocks that surround us. Geologist Marcia Bjornerud believes that our lives can be enriched by understanding our heritage on this old and creative planet. Contrary to their reputation, rocks have eventful lives—and they intersect with our own in surprising ways.
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Very unusual book by a profound writer
- By F Shaw on 09-17-24
By: Marcia Bjornerud
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The Longest Minute
- The Great San Francisco Earthquake and Fire of 1906
- By: Matthew J. Davenport
- Narrated by: Traber Burns
- Length: 17 hrs and 19 mins
- Unabridged
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At 5:12 am on April 18, 1906, a 7.9 magnitude earthquake struck San Francisco, catching most of the city asleep. For approximately forty-eight seconds, shock waves buckled streets, shattered water mains, collapsed buildings, crushed hundreds of residents to death, and trapped many alive. Matthew Davenport draws on letters, diaries, unpublished memoirs, and previously unearthed archival records, as well as interviews with engineers and geologists, to combine history and science to tell the dramatic true story of one of the greatest disasters in American history.
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History told from those who survived
- By BamaState on 12-26-23
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The Disordered Cosmos
- A Journey into Dark Matter, Spacetime, and Dreams Deferred
- By: Chanda Prescod-Weinstein
- Narrated by: Joniece Abbott-Pratt
- Length: 10 hrs and 56 mins
- Unabridged
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One of the leading physicists of her generation, Dr. Chanda Prescod-Weinstein is also one of fewer than one hundred Black American women to earn a PhD from a department of physics. Her vision of the cosmos is vibrant, buoyantly nontraditional, and grounded in Black and queer feminist lineages. Dr. Prescod-Weinstein urges us to recognize how science, like most fields, is rife with racism, misogyny, and other forms of oppression. She lays out a bold new approach to science and society, beginning with the belief that we all have a fundamental right to know and love the night sky.
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Stunning
- By Amazon Customer on 04-05-21
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Beneath the Surface
- Killer Whales, SeaWorld, and the Truth Beyond Blackfish
- By: John Hargrove, Howard Chua-Eoan
- Narrated by: John Hargrove
- Length: 8 hrs and 21 mins
- Unabridged
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Over the course of two decades, John Hargrove worked with 20 different whales on two continents and at two of SeaWorld's U.S. facilities. For Hargrove, becoming an orca trainer fulfilled a childhood dream. However, as his experience with the whales deepened, Hargrove came to doubt that their needs could ever be met in captivity.
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Tragic, Brutal
- By Gillian on 04-16-15
By: John Hargrove, and others
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China's World View
- Demystifying China to Prevent Global Conflict
- By: David Daokui Li
- Narrated by: David Shih
- Length: 8 hrs and 51 mins
- Unabridged
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Writing in response to the growing anti-Chinese sentiment and alarmed by the threat of war, Dr. David Daokui Li pulls from his wealth of firsthand experience to demystify contemporary Chinese society and advocate for understanding between China and the West. In this urgently needed and fascinating book, he explains the inner workings of a rising superpower to help the world understand how it works-and how to work with it.
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The spirit of this book is critically important.
- By Mike Turner on 06-21-24
By: David Daokui Li
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Lost in Math
- How Beauty Leads Physics Astray
- By: Sabine Hossenfelder
- Narrated by: Laura Jennings
- Length: 8 hrs and 40 mins
- Unabridged
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Whether pondering black holes or predicting discoveries at CERN, physicists believe the best theories are beautiful, natural, and elegant, and this standard separates popular theories from disposable ones. This is why, Sabine Hossenfelder argues, we have not seen a major breakthrough in the foundations of physics for more than four decades. The belief in beauty has become so dogmatic that it now conflicts with scientific objectivity: Observation has been unable to confirm mindboggling theories, like supersymmetry or grand unification, invented by physicists based on aesthetic criteria.
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A rare glimpse into the inner world of physics
- By Joe on 12-08-18
What listeners say about Alien Earths
Average customer ratingsReviews - Please select the tabs below to change the source of reviews.
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- Gary L.
- 04-18-25
Captivating for the Astronomy Enthusiast
Captivating. Her thoroughness was out of this world (pun intended). I loved her sense of humor too.
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- Vladimir Randy Jeune
- 11-02-24
I really enjoyed her perspective on the subject
This book made me think about the Universe in an awe inspiring way. There is so much out there that we can learn before we get the ability to go visit these alien worlds. It also reminds us that we have to take care of the only planet that we evolved on.
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- Texas Tim
- 08-09-24
Engrossing! Very well conceived and written.
Loved it! I found this book, written by an accomplished scientist with a doctorate, to be very interesting and engaging and easy to follow( I am not a scientist). It was so well conceived and written that it can be enjoyed by anyone interested in the subject of exoplanets. There are plenty of explanations, comparisons and examples to help convey the concepts discussed. I liked the many personal insights and experiences included, and of course the humor too! It left me wanting more and has renewed my own interest in the subject. Solid performance by Ms Campbell on the reading.
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- Andi
- 08-08-24
answers big questions
Well narrated and tackles one of our most enduring questions - are we alone. Very enjoyable and thought-provoking.
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