PDF Ebook Light of the Stars: Alien Worlds and the Fate of the Earth
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Light of the Stars: Alien Worlds and the Fate of the Earth
PDF Ebook Light of the Stars: Alien Worlds and the Fate of the Earth
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Light of the Stars is science at the grandest of scales, and it tells a radically new story about what we are: one world in a universe awash in planets. Building on his widely discussed scientific papers and New York Times op-eds, astrophysicist Adam Frank shows that not only is it likely that alien civilizations have existed many times before, but also that many of them have driven their own worlds into dangerous eras of change.Â
He explains how dust storms on Mars, the greenhouse effect on Venus, Gaia Theory, the threat of nuclear winter, and efforts to prove or disprove the plurality of worlds from Aristotle to Copernicus to Carl Sagan have contributed to our understanding of our place in the universe and the growing challenge of climate change. And he raises what may be the largest question of all: If there has been life on other worlds, what can its presence tell us about our own fate?
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Audible Audiobook
Listening Length: 7 hours and 15 minutes
Program Type: Audiobook
Version: Unabridged
Publisher: HighBridge, a division of Recorded Books
Audible.com Release Date: June 12, 2018
Language: English, English
ASIN: B07DD2K7GG
Amazon Best Sellers Rank:
Adam Frank tells an intriguing story of humanity's project of civilization and how it may apply on other worlds. 'Light of the Stars: Alien Worlds and the Fate of the Earth' is a direct and uncomplicated read that will instantly engage you and make you hope for follow-up works from the author.In the book, Adam starts us off by summarizing our current civilization in a historical context and how it ties so closely to the Earth's biosphere. He goes on to share insights from other scientists on why we feel the need to search for life and civilization elsewhere in the cosmos. This leads quickly to describing our civilization's exoplanet hunting achievements and how we came about acquiring the tools and techniques that are employed today by astronomers, and some futuristic tools and techniques in development. Scientists mentioned include Jill Tarter and many others I've read about before, so it was good to see their names in this book.What Adam does exceptionally well is tell the stories of these scientists from a personal viewpoint, especially if he happened to have met the scientist in person. He accomplishes this without spending an overt amount of time on them either, moving along at the right pace to the next topic at-hand. I found this part of the book to be extremely engaging because it showed how the hard work of generations of scientists can lead us to achieve new heights on the ladder of technological advancement in all fields. Focusing on astrophysics, astrobiology, exoplanets, and a healthy dose of history, Adam reveals how we came about detecting exoplanets through presented works of See, Borucki, Tarter, Drake, and others.Since the book focuses on Earth and how a civilization might be sustained in the long-term, Adam carefully points out the issues that led to the current desiccated conditions of Mars and Venus, which provide valuable lessons for the future of Earth sustaining life and civilization. He goes into detail on our planet's current biosphere state known as the Anthropocene epoch - a period in Earth's history where human induced changes to our planet are calling into question the long-term sustainability of our civilization, and indeed, most of present life itself. He also points out that while humans are causing climate change, a planet is itself going to cause this over time as well.Change is inevitable is another underlying theme of the book. There are some compelling explanations about how a planet, as well as both its life and eventual civilization(s), co-exist and can change, support, and even destroy each other through natural processes. Adam describes how the success of a planet's life and civilizations are dependent on initial starting conditions of its atmosphere and water content, and the present position of the planet in the star's habitable zone with its level of greenhouse gases. This is a key 'big picture view' that is not usually presented in astrophysics or astrobiology books or papers, but often instead as separate topics or footnotes. Adam excels at providing the needed big picture view, much like how I try to do the same in my books about similar subjects.Adam also spends a good deal of time exploring the Drake Equation and how it ties into The Fermi Paradox and The Great Filter, important topics to understand the chance of life and civilization existing elsewhere in the universe, as well as how long that life and those civilizations may typically last technologically (at least in a way that's detectable). There is clear recognition in the book that the project of civilization has limitations to likely all attempts made to build it. Adam strongly infers that one answer to The Fermi Paradox and The Great Filter is that all civilizations simply do not last long enough to make a significant long-lasting mark on their host galaxy before being destroyed or set back technologically (either through natural causes or through their own devices).While I have a far more optimistic estimate of the number of civilizations in existence at any given moment (roughly 1 per galaxy on average), I still accept the pessimistic viewpoint that the immensely complex project of civilization is just too sensitive to nature's instabilities to survive for very long (200 years for radio communication capable civilizations, or above, as a median estimate for civilizations that are at least able to reach beyond the stone age at some point in their history). I would like to also add here the tantalizing thought that there are perhaps countless more planets with simple lifeforms only, or even intelligent lifeforms forever trapped on their waterworlds and unable to escape due to lack of materials to build a civilization, or trapped by their super-Earth's immense gravity well. Adam touches on a few of these ideas through quotes by other scientists.Related to use of materials and energy to build a civilization, Adam appears to be cautious about us taking the Kardashev scale so literally with its focus on energy consumption when coming to any conclusions about the actual power and reach of extraterrestrial civilizations. He's right to do so. The scale is in my view an unrealistic and likely inaccurate gauge for the rise and peak of a civilization, for all the points he lay out so well. It's not to say the scale is not useful, as it has its place just like the Drake Equation, but like Adam says in the book - "... it is not simply energy consumption (the focus of The Kardashev Scale) that must be considered. Instead, we must learn to think in terms of energy transformations."Recognizing the limitations of energy use and simple physical limitations that all civilizations must adhere too will ensure we have a realistic and sound expectation for what we end up finding (or not finding) out there in the cosmos, and our likely future here on Earth.Much of the above comments reveal a sad and lonely, and definitely pessimistic, but perhaps realistic viewpoint - a viewpoint that Adam infuses in the book so well and draws you right in to wanting to learn more about the realities of our existence in the universe.An excellent read Adam, thank you.
I 'binge-read' this book in 3 days, couldn't put it down -- Frank has an impeccable talent for thought-provoking story telling (whether you catch him giving a talk in person, over the radio, or in writing) and yet I think he may have outdone himself with this one... The prose is elegant, the arguments compelling and clearly presented, and the conclusions powerful.In light of the torrent of newly discovered exo-worlds, Frank expertly picks up where Drake left off, re-envisioning the age-old question "are we alone in the universe?" and presenting new research to back his discerning insights into humanity's future.If you are interested in the possibility of life elsewhere, humanity's place in the universe, and solving the energy crisis that faces our civilization (and in fact, all technologically advanced civilizations argues Frank), you should own a copy of this book. It is not only a page turner, it is profound and deeply important.
Light of the Stars - Alien Worlds and the Fate of the Earth - Adam Frank - Non Fiction - Astronomy - Space Exploration - Earth Science [0779-August 2, 2018] The scientific theories of the possibility of life on other planets and the amazing discoveries of multitudes of alien worlds is a major topic of this interesting and comprehensible book. The author also discusses theories of how intelligent life could evolve and why we have never, so far, detected any sign or signal confirming we are not alone. As a non-scientific trained individual with a deep interest in this topic I appreciated the author's conversational writing style. Make no mistakes author Frank is a professor of astrophysics and the book is firmly grounded in science fact. I would highly recommend this book to curious high school students and adults who wish to know more about this subject matter. I have read several other books on this topic and would recommend "The Eerie Silence" by Paul Davies. Mr. Davies has been involved with the Search for Extraterrestrial Intelligence (SETI) for over 30 years and currently chairs the Post-Detection Taskgroup of SETI
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