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The Shadow Of Black Holes
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Book Synopsis The Shadow of Black Holes by : Arne Grenzebach
Download or read book The Shadow of Black Holes written by Arne Grenzebach and published by Springer. This book was released on 2016-05-07 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an analytic method to describe the shadow of black holes. As an introduction, it presents a survey of the attempts to observe the shadow of galactic black holes. Based on a detailed discussion of the Plebański–Demiański class of space-times, the book derives analytical formulas for the photon regions and for the boundary curve of the shadow as seen by an observer in the domain of outer communication. It also analyzes how the shadow depends on the motion of the observer. For all cases, the photon regions and shadows are visualized for various values of the parameters. Finally, it considers how the analytical formulas can be used for calculating the horizontal and vertical angular diameters of the shadow, and estimates values for the black holes at the centers of our Galaxy near Sgr A* and of the neighboring galaxy M87.
Book Synopsis Einstein's Shadow by : Seth Fletcher
Download or read book Einstein's Shadow written by Seth Fletcher and published by HarperCollins. This book was released on 2018-10-09 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Einstein’s Shadow follows a team of elite scientists on their historic mission to take the first picture of a black hole, putting Einstein’s theory of relativity to its ultimate test and helping to answer our deepest questions about space, time, the origins of the universe, and the nature of reality Photographing a black hole sounds impossible, a contradiction in terms. But Shep Doeleman and a global coalition of scientists are on the cusp of doing just that. With exclusive access to the team, journalist Seth Fletcher spent five years following Shep and an extraordinary cast of characters as they assembled the Event Horizon Telescope, a worldwide network of radio telescopes created to study black holes. He witnessed the team’s struggles, setbacks, and breakthroughs, and, along the way, Fletcher explored the latest thinking on the most profound questions about black holes: Do they represent a limit to our ability to understand reality? Or will they reveal the clues that lead to the long-sought theory of everything? Fletcher transforms astrophysics into something exciting, accessible, and immediate, taking us on an incredible adventure to better understand the complexity of our galaxy, the boundaries of human perception and knowledge, and how the messy endeavor of science really works. Weaving a compelling narrative account of human ingenuity with excursions into cutting-edge science, Einstein’s Shadow is a tale of great minds on a mission to change the way we understand our universe—and our place in it.
Book Synopsis The Shadow of the Black Hole by : John W. Moffat
Download or read book The Shadow of the Black Hole written by John W. Moffat and published by Oxford University Press, USA. This book was released on 2020 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Black holes are one of the extraordinary phenomena in the universe whose existence was surmised not by observations, but by theory. The black hole is a prediction of Einstein's 1915-1916 gravitational theory, general relativity, which replaced Sir Isaac Newton's gravity theory, published in his famous treatise Principia in 1687. In 1784, Reverend John Michell, a fellow of Queens' College and Professor of Geology at Cambridge University, had already envisioned what we now call black holes. He asked what would happen if a star's gravity were so strong that its escape velocity - the speed at which a rocket, for example, would have to travel to leave the star - exceeded the speed of light? Michell realized that any light emanating from the star would have to fall back to its surface. He speculated that the escape velocity would exceed the speed of light for a very massive star, making the star invisible to an observer"--
Book Synopsis Shadow on the Sun by : David Macinnis Gill
Download or read book Shadow on the Sun written by David Macinnis Gill and published by Harper Collins. This book was released on 2013-03-26 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: A sci-fi thrill ride—incredible action, inventive world-building, deadly humor, and more—for fans of movie classics such as Blade Runner and Mad Max! This is the companion to Invisible Sun and Black Hole Sun, which Suzanne Collins, the author of The Hunger Games, called "imaginative and action-packed." Characters return, new characters are introduced, and the action never stops. Readers embraced the first two books in acclaimed author David Macinnis Gill's trilogy about Durango, Mimi (his nano-implant with a biting wit), and Vienne (his second-in-command), calling the books non-put-downable, thrilling, funny, and totally satisfying. A surefire bet for fans of dystopian sci-fi, from The Hunger Games to Battlestar Galactica. Cinematic action, rapid-fire dialogue, a futuristic setting on a terraformed Mars, and tragic romance—Shadow on the Sun is an unstoppable adrenaline rush!
Book Synopsis Black Hole Survival Guide by : Janna Levin
Download or read book Black Hole Survival Guide written by Janna Levin and published by Anchor. This book was released on 2022-03-15 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the acclaimed author of Black Hole Blues and Other Songs from Outer Space—an authoritative and accessible guide to the most alluring and challenging phenomena of contemporary science. "[Levin will] take you on a safe black hole trip, an exciting travel story enjoyed from your chair’s event horizon.” —Boston Globe Through her writing, astrophysicist Janna Levin has focused on making the science she studies not just comprehensible but also, and perhaps more important, intriguing to the nonscientist. In this book, she helps us to understand and find delight in the black hole—perhaps the most opaque theoretical construct ever imagined by physicists—illustrated with original artwork by American painter and photographer Lia Halloran. Levin takes us on an evocative exploration of black holes, provoking us to imagine the visceral experience of a black hole encounter. She reveals the influence of black holes as they populate the universe, sculpt galaxies, and even infuse the whole expanse of reality that we inhabit. Lively, engaging, and utterly unique, Black Hole Survival Guide is not just informative—it is, as well, a wonderful read from first to last.
Book Synopsis The Shadow of the Black Hole by : John W. Moffat
Download or read book The Shadow of the Black Hole written by John W. Moffat and published by Oxford University Press. This book was released on 2020-06-16 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Black holes entered the world of science fiction and films in the 1960s, and their popularity in our culture remains today. The buzz surrounding black holes was and is due, in large part, to their speculative nature. It is still difficult for the general public to determine fact versus fiction as it pertains to this terrifying idea: something big enough to swallow anything and everything in close proximity, with a gravitational force so strong that nothing, including light, can escape. In the fall of 2015, scientists at the Laser Interferometry Gravitational-Wave Observatory (LIGO) detected the first sounds from black holes, brought to earth by the gravitational waves that emitted from the merging of two black holes 1.4 billion light years away in space. This confirmed the existence of gravitational waves, which Albert Einstein predicted in 1916. In the spring of 2017, physicists and astronomers who were working on the Event Horizon Telescope (EHT) project captured the first image of a black hole. This was the supermassive black hole hosted by the galaxy M87 in the constellation Virgo, 53 million light years away, and the image shows the shadow the black hole casts upon the bright light surrounding it. In this book, John Moffat shares the history of black holes and presents the latest research into these mysterious celestial objects, including the astounding results from gravitational wave detection and the shadow of the black hole.
Book Synopsis Light in the Darkness by : Heino Falcke
Download or read book Light in the Darkness written by Heino Falcke and published by HarperCollins. This book was released on 2021-05-04 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Bestseller On April 10, 2019, award-winning astrophysicist Heino Falcke presented the first image ever captured of a black hole at an international press conference—a turning point in astronomy that Science magazine called the scientific breakthrough of the year. That photo was captured with the unthinkable commitment of an intercontinental team of astronomers who transformed the world into a global telescope. While this image achieved Falcke’s goal in making a black hole “visible” for the first time, he recognizes that the photo itself asks more questions for humanity than it answers. Light in the Darkness takes us on Falcke’s extraordinary journey to the darkest corners of the universe. From the first humans looking up at the night sky to modern astrophysics, from the study of black holes to the still-unsolved mysteries of the universe, Falcke asks, in even the greatest triumphs of science, is there room for doubts, faith, and a God? A plea for curiosity and humility, Light in the Darkness sees one of the great minds shaping the world today as he ponders the big, pressing questions that present themselves when we look up at the stars.
Book Synopsis The Other Dark Matter by : Lina Zeldovich
Download or read book The Other Dark Matter written by Lina Zeldovich and published by University of Chicago Press. This book was released on 2021-11-19 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The history of human waste. How I learned to love the excrement; The early history of human excreta; Treasure nigh soil as if it were gold!; The water closet dilemma and the sewage farm paradigm; Germs, fertilizer, and the poop police -- The present: a sludge revolution in progress. The great sewage time bomb and the redistribution of nutrients on the planet; Loowatt, a loo that turns waste into watts; The crap that cooks your dinner and container-based sanitation; HomeBiogas : your personal digester in a box; Made in New York; Lystek, the home of sewage smoothies; How DC water makes biosolids BLOOM; From biosolids to biofuels -- The future of medicine and other things; Poop : the best (and cheapest medicine; Looking where the sun doesn't shine; From the kindness of one's gut : an insider look into stool banks -- Afterword : breathing poetry into poop.
Author :Cecile Dewitt-Morette (ed) Publisher :Springer Science & Business Media ISBN 13 :9789027704368 Total Pages :244 pages Book Rating :4.7/5 (43 download)
Book Synopsis Gravitational Radiation and Gravitational Collapse by : Cecile Dewitt-Morette (ed)
Download or read book Gravitational Radiation and Gravitational Collapse written by Cecile Dewitt-Morette (ed) and published by Springer Science & Business Media. This book was released on 1974-05-31 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of IAU Symposium No. 64, Warsaw, Poland, September 5-8, 1973
Book Synopsis Einstein's Monsters by : Chris Impey
Download or read book Einstein's Monsters written by Chris Impey and published by National Geographic Books. This book was released on 2019-09-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: “[A] skillfully told history of the quest to find black holes.” —Manjit Kumar, Financial Times Black holes are the best-known and least-understood objects in the universe. In Einstein’s Monsters, distinguished astronomer Chris Impey takes readers on a vivid tour of these enigmatic giants. He weaves a fascinating tale out of the fiendishly complex math of black holes and the colorful history of their discovery. Impey blends this history with a poignant account of the phenomena scientists have witnessed while observing black holes: stars swarming like bees around the center of our galaxy; black holes performing gravitational waltzes with visible stars; the cymbal clash of two black holes colliding, releasing ripples in space time. Clear, compelling, and profound, Einstein’s Monsters reveals how our comprehension of black holes is intrinsically linked to how we make sense of the universe and our place within it.
Book Synopsis Black Hole Chasers by : Anna Crowley Redding
Download or read book Black Hole Chasers written by Anna Crowley Redding and published by Feiwel & Friends. This book was released on 2021-10-05 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Black Hole Chasers, award-winning investigative journalist Anna Crowley Redding presents the riveting true story of one of the most inspiring scientific breakthroughs of our lifetime—the Event Horizon Telescope team's reveal of the first image of a super massive black hole. In April 2019, the Event Horizon Telescope Team unveiled the first ever image of a super massive black hole. This inspiring scientific breakthrough took years of hard work, innovative thinking, and a level of global cooperation never seen before. The challenge was immense. The goal was impossible. They would need a telescope as big as the earth itself. The technology simply didn’t exist. And yet, a multi-national team of scientists was able to show the world an image of something previously unseeable. Based off extensive research and hours interviews with many of the team's ground-breaking scientist, physicists, and mathematicians, Black Hole Chasers is a story of unique technological innovation and scientific breakthroughs, but more importantly, it's a story of human curiosity and triumph.
Book Synopsis Einstein's Shadow by : Seth Fletcher
Download or read book Einstein's Shadow written by Seth Fletcher and published by Ecco. This book was released on 2019-10-15 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NEW YORK TIMES EDITOR'S CHOICE Einstein’s Shadow follows a team of elite scientists on their historic mission to take the first picture of a black hole, putting Einstein’s theory of relativity to its ultimate test and helping to answer our deepest questions about space, time, the origins of the universe, and the nature of reality Photographing a black hole sounds impossible, a contradiction in terms. But Shep Doeleman and a global coalition of scientists are on the cusp of doing just that. With exclusive access to the team, journalist Seth Fletcher spent five years following Shep and an extraordinary cast of characters as they assembled the Event Horizon Telescope, a virtual radio observatory the size of the Earth. He witnessed their struggles, setbacks, and breakthroughs, and along the way, he explored the latest thinking on the most profound questions about black holes. Do they represent a limit to our ability to understand reality? Or will they reveal the clues that lead to the long-sought Theory of Everything? Fletcher transforms astrophysics into something exciting, accessible, and immediate, taking us on an incredible adventure to better understand the complexity of our galaxy, the boundaries of human perception and knowledge, and how the messy human endeavor of science really works. Weaving a compelling narrative account of human ingenuity with excursions into cutting-edge science, Einstein’s Shadow is a tale of great minds on a mission to change the way we understand our universe—and our place in it.
Book Synopsis A Black Hole is Not a Hole by : Carolyn Cinami DeCristofano
Download or read book A Black Hole is Not a Hole written by Carolyn Cinami DeCristofano and published by Charlesbridge Publishing. This book was released on 2021-09-07 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: A black hole isn't really a hole . . . is it? Get ready to S-T-R-E-T-C-H your mind with this beloved and best-selling science book. Updated with an all-new chapter about the first black-hole image ever! What are black holes, what causes them, and how the heck did scientists discover them? Acclaimed STEM writer Carolyn DeCristofano's playful text shares how astronomers find black holes, introduces our nearest black-hole neighbors, and provides an excellent introduction to an extremely complex scientific topic. Gorgeous space paintings supplement real telescopic images, and funny doodles and speech bubbles keep the content light and fun.
Book Synopsis Black Holes in Higher Dimensions by : Gary T. Horowitz
Download or read book Black Holes in Higher Dimensions written by Gary T. Horowitz and published by Cambridge University Press. This book was released on 2012-04-19 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book devoted to black holes in more than four dimensions, for graduate students and researchers.
Book Synopsis Black Hole Blues and Other Songs from Outer Space by : Janna Levin
Download or read book Black Hole Blues and Other Songs from Outer Space written by Janna Levin and published by Anchor. This book was released on 2016-03-29 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authoritative story of the headline-making discovery of gravitational waves—by an eminent theoretical astrophysicist and award-winning writer. From the author of How the Universe Got Its Spots and A Madman Dreams of Turing Machines, the epic story of the scientific campaign to record the soundtrack of our universe. Black holes are dark. That is their essence. When black holes collide, they will do so unilluminated. Yet the black hole collision is an event more powerful than any since the origin of the universe. The profusion of energy will emanate as waves in the shape of spacetime: gravitational waves. No telescope will ever record the event; instead, the only evidence would be the sound of spacetime ringing. In 1916, Einstein predicted the existence of gravitational waves, his top priority after he proposed his theory of curved spacetime. One century later, we are recording the first sounds from space, the soundtrack to accompany astronomy’s silent movie. In Black Hole Blues and Other Songs from Outer Space, Janna Levin recounts the fascinating story of the obsessions, the aspirations, and the trials of the scientists who embarked on an arduous, fifty-year endeavor to capture these elusive waves. An experimental ambition that began as an amusing thought experiment, a mad idea, became the object of fixation for the original architects—Rai Weiss, Kip Thorne, and Ron Drever. Striving to make the ambition a reality, the original three gradually accumulated an international team of hundreds. As this book was written, two massive instruments of remarkably delicate sensitivity were brought to advanced capability. As the book draws to a close, five decades after the experimental ambition began, the team races to intercept a wisp of a sound with two colossal machines, hoping to succeed in time for the centenary of Einstein’s most radical idea. Janna Levin’s absorbing account of the surprises, disappointments, achievements, and risks in this unfolding story offers a portrait of modern science that is unlike anything we’ve seen before.
Book Synopsis Death By Black Hole by : Neil deGrasse Tyson
Download or read book Death By Black Hole written by Neil deGrasse Tyson and published by W. W. Norton & Company. This book was released on 2007-01-16 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of essays on the cosmos, written by an American Museum of Natural History astrophysicist, includes "Holy Wars," "Ends of the World," and "Hollywood Nights."
Book Synopsis Empire of the Stars by : Arthur I. Miller
Download or read book Empire of the Stars written by Arthur I. Miller and published by Houghton Mifflin Harcourt. This book was released on 2005 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: A history of the idea of "black holes" explores the tumultuous debate over the existence of this now well-accepted phenomenon, focusing particular attention on Indian scientist Subrahmanyan Chandrasekhar.
