The Shadow Of Black Holes
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Author | : Arne Grenzebach |
Publisher | : Springer |
Total Pages | : 106 |
Release | : 2016-05-07 |
Genre | : Science |
ISBN | : 3319300660 |
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.
Author | : John W. Moffat |
Publisher | : |
Total Pages | : 233 |
Release | : 2020 |
Genre | : Science |
ISBN | : 0190650729 |
The Shadow of the Black Hole shares the entertaining history of black holes.
Author | : Seth Fletcher |
Publisher | : HarperCollins |
Total Pages | : 311 |
Release | : 2018-10-09 |
Genre | : Science |
ISBN | : 0062312030 |
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.
Author | : David Macinnis Gill |
Publisher | : Harper Collins |
Total Pages | : 275 |
Release | : 2013-03-26 |
Genre | : Young Adult Fiction |
ISBN | : 0062073370 |
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!
Author | : Anna Crowley Redding |
Publisher | : Feiwel & Friends |
Total Pages | : 176 |
Release | : 2021-10-05 |
Genre | : Juvenile Nonfiction |
ISBN | : 1250622336 |
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.
Author | : Lina Zeldovich |
Publisher | : University of Chicago Press |
Total Pages | : 268 |
Release | : 2021-11-19 |
Genre | : Science |
ISBN | : 022661557X |
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 | : Janna Levin |
Publisher | : Random House |
Total Pages | : 115 |
Release | : 2020-11-12 |
Genre | : Science |
ISBN | : 147357465X |
What would happen if you fell into a Black Hole? Black holes are found throughout the universe. They can be microscopic. They can be billions of times larger than our Sun. They are dark on the outside but not on the inside. Anything that enters them can never escape, and yet they contain nothing at all. In Black Hole Survival Guide physicist and novelist Janna Levin takes you on a journey into a black hole, explaining what would happen to you and why. In the process you'll come to see how their mysteries contain answers to some of the most profound questions ever asked about the nature of our universe. 'Astrophysics at its sexiest...hugely enjoyable' Sunday Times
Author | : Cécile Dewitt-Morette |
Publisher | : Springer Science & Business Media |
Total Pages | : 248 |
Release | : 1974-04-30 |
Genre | : Science |
ISBN | : 9789027704351 |
Proceedings of IAU Symposium No. 64, Warsaw, Poland, September 5-8, 1973
Author | : Gary T. Horowitz |
Publisher | : Cambridge University Press |
Total Pages | : 437 |
Release | : 2012-04-19 |
Genre | : Science |
ISBN | : 1107013453 |
The first book devoted to black holes in more than four dimensions, for graduate students and researchers.
Author | : Chris Impey |
Publisher | : National Geographic Books |
Total Pages | : 0 |
Release | : 2019-09-17 |
Genre | : Science |
ISBN | : 0393357503 |
“[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.