Gravity Engines How BubbleBlowing Black Holes Rule Galaxies Stars and Life in the Cosmos (Audible Audio Edition) Caleb Scharf Macmillan Audio Books
Download As PDF : Gravity Engines How BubbleBlowing Black Holes Rule Galaxies Stars and Life in the Cosmos (Audible Audio Edition) Caleb Scharf Macmillan Audio Books
We've long understood black holes to be the points at which the universe as we know it comes to an end. Often billions of times more massive than the Sun, they lurk in the inner sanctum of almost every galaxy of stars in the universe. They're mysterious chasms so destructive and unforgiving that not even light can escape their deadly wrath.
Recent research, however, has led to a cascade of new discoveries that have revealed an entirely different side to black holes. As the astrophysicist Caleb Scharf reveals in Gravity's Engines, these chasms in space-time don't just vacuum up everything that comes near them; they also spit out huge beams and clouds of matter. Black holes blow bubbles.
With clarity and keen intellect, Scharf masterfully explains how these bubbles profoundly rearrange the cosmos around them. Engaging with our deepest questions about the universe, he takes us on an intimate journey through the endlessly colorful place we call our galaxy and reminds us that the Milky Way sits in a special place in the cosmic zoo - a "sweet spot" of properties. Is it coincidental that we find ourselves here at this place and time? Could there be a deeper connection between the nature of black holes and their role in the universe and the phenomenon of life? We are, after all, made of the stuff of stars.
Gravity Engines How BubbleBlowing Black Holes Rule Galaxies Stars and Life in the Cosmos (Audible Audio Edition) Caleb Scharf Macmillan Audio Books
Caleb Scharf's Gravity's Engines is a very worthwhile addition to the popular science book genre. I read several dozen each year. As a college instructor I'm often seeking books geared for the general reader to recommend to students who are struggling with a counter-intuitive concept, to help them ease into a comfortable feel for a subject they might feel overwhelmed by. This is one of the best for two outstanding reasons.1) The topic is an immense one and a very difficult one which deals with several very counter-intuitive areas of astrophysics and cosmology. Seldom can a thorough explanation be done in a single volume or even two. But the general reader will find that after reading this volume they have acquired a good understanding of some very complex and intricate phenomena. The writing is lucid and structured in a way that concepts fall into an ordered pattern and make sense on an intuitive level (if these topics can ever be intuitive.)
2) Popular science writing in general, and popular astrophysics-cosmology in particular usually comes with a severe disservice to the general reader that this author has done very well in avoiding. All to often the expert writing for the general reader, in order to convey difficult subjects in a manner that can be understood by an outsider, will make the topic seem so simple that the general reader comes away thinking "this is really simple and easy stuff,,, I could be the next Einstein". Often authors in this genre of books don't present the topic in an accessible way, while also relating just how their presentation fits into the real difficulties that are involved with studying the phenomena at a fundamental level. The reader either feels bogged down and overwhelmed with the minutiae, or leaves with the wrong impression that they now "understand all there is know".
Astrophysics and cosmology are huge subjects. Most people in the profession spend the major part of their careers studying a single phenomenon, or a related group of phenomena. Out of hundreds of choices of phenomena to study. For a basic introduction for the general reader into the nature of one phenomenon, black holes, this book will answer most of your questions, and leave you with a good feeling of understanding a difficult topic, AND an appreciation of just how challenging professional studies of this small part of a huge general field can be.
If you buy this book, you'll certainly get your money's worth and more.
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Gravity Engines How BubbleBlowing Black Holes Rule Galaxies Stars and Life in the Cosmos (Audible Audio Edition) Caleb Scharf Macmillan Audio Books Reviews
Empecé a leerlo como entusiasmo pero terminé leyéndolo pagina por medio. No pude tomarle el hilo. Terminó por aburrirme. No lo recomiendo.
What does my title mean? It means that, although Scharf makes a case for black holes designing the architecture of the entire universe, it's only one factor out of a multitude. I'm happy he wrote this book so we can appreciate how much influence these enigmas actually have on the cosmos, but as I said, they are just one factor of many...and probably not as weighty as others (pun intended). Worth a read if you are interested in astrophysics.
Scharf's writing is as mesmerizing as his subject. He takes the reader on a journey from an explanation of creation through the expanding discoveries of the cosmos. A layperson can easily appreciate Scharf's witty analogies, because in their simplicity, you are wowed. This is not a textbook, fantasy or science fiction. As you discover, you explore your own imagination. Scharf is the person you want to invite to dinner.
Caleb's book is one of my favorite astronomy reads in a long time. His style is very compelling, weaving layers of scale and time into every description. The reader can relate to a sense of what black holes are as they appear in ancient cosmic time, up to 90% of the age of the known universe as seen through telescopes. Then contrast distant black holes to understand the state and fate of our own Milky Way's black hole, 4 million times the sun's mass, 25 thousand light years away in our galactic center in the direction of the constellation of Sagittarius.
He keeps his narrative on the level of known mechanical processes regarding black holes instead of delving into the theoretical constructs that Hawking, Maldacena and Suskind focus on in their work. If you like the theoretical/cosmological insights of those physicists, you might read further into The Black Hole Wars, or The Elegant Universe.
This book is excellent. The author explains the scientific principles at issue in an understandable and engaging way.
Yet, the best aspect of the book is that the author is a good writer. He makes excellent use of analogies to help the lay reader understand his points. His writing is entertaining.
I have read many popular science novels on astronomy, astrophysics, regular physics and cosmology. Thus, I found the book easy to understand and parts of it cover material I was already familiar with, albeit in an entertaining fashion.
I raise that background just to point out that I could see how someone who has not done any reading in this area might want more background for some of the subjects the author introduces.
Anyone interested in the nature of nature should read that book. There's more to the natural world than what we observe here on earth, albeit beautiful. The real nature, torrential, violent, hungry, unpredictable and inestimable is out there in deep, deep space. Particularly informative is how black holes, especially ours at the center of the Milky Way Galaxy, can foster or deter the formation of living planets like earth. A great read by a gifted author who takes a potentially dry, arcane subject and makes it accessible to the rest of us mere mortals. Well done!
Written for the masses. An interesting read on gravity and black holes, written in a manner that most will find simple and understandable. A must read for those who have not majored in mathematics and sciences but are curious about our universe and for that matter what makes the universe work the way it does. Black holes for all of their massiveness, and they are huge, are the reason we as Humans and all other forms of life exist, everywhere we exist. I will explore this writer and scientist further as he brings all into a simple perspective. Great read!
Caleb Scharf's Gravity's Engines is a very worthwhile addition to the popular science book genre. I read several dozen each year. As a college instructor I'm often seeking books geared for the general reader to recommend to students who are struggling with a counter-intuitive concept, to help them ease into a comfortable feel for a subject they might feel overwhelmed by. This is one of the best for two outstanding reasons.
1) The topic is an immense one and a very difficult one which deals with several very counter-intuitive areas of astrophysics and cosmology. Seldom can a thorough explanation be done in a single volume or even two. But the general reader will find that after reading this volume they have acquired a good understanding of some very complex and intricate phenomena. The writing is lucid and structured in a way that concepts fall into an ordered pattern and make sense on an intuitive level (if these topics can ever be intuitive.)
2) Popular science writing in general, and popular astrophysics-cosmology in particular usually comes with a severe disservice to the general reader that this author has done very well in avoiding. All to often the expert writing for the general reader, in order to convey difficult subjects in a manner that can be understood by an outsider, will make the topic seem so simple that the general reader comes away thinking "this is really simple and easy stuff,,, I could be the next Einstein". Often authors in this genre of books don't present the topic in an accessible way, while also relating just how their presentation fits into the real difficulties that are involved with studying the phenomena at a fundamental level. The reader either feels bogged down and overwhelmed with the minutiae, or leaves with the wrong impression that they now "understand all there is know".
Astrophysics and cosmology are huge subjects. Most people in the profession spend the major part of their careers studying a single phenomenon, or a related group of phenomena. Out of hundreds of choices of phenomena to study. For a basic introduction for the general reader into the nature of one phenomenon, black holes, this book will answer most of your questions, and leave you with a good feeling of understanding a difficult topic, AND an appreciation of just how challenging professional studies of this small part of a huge general field can be.
If you buy this book, you'll certainly get your money's worth and more.
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