Products related to Gravitational:
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Understanding Gravitational Waves
The birth of a completely new branch of observational astronomy is a rare and exciting occurrence.For a long time, our theories about gravitational waves—proposed by Albert Einstein and others more than a hundred years ago—could never be fully proven, since we lacked the proper technology to do it. That all changed when, on September 14, 2015, instruments at the LIGO Observatory detected gravitational waves for the first time. This book explores the nature of gravitational waves—what they are, where they come from, why they are so significant and why nobody could prove they existed before now.Written in plain language and interspersed with additional explanatory tutorials, it will appeal to lay readers, science enthusiasts, physical science students, amateur astronomers and to professional scientists and astronomers.
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Innovation in Information Technology
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Gravitational Wave Astrophysics (IAU S338) : Early Results from Gravitational Wave Searches and Electromagnetic Counterparts
Gravitational waves were predicted 100 years ago by Einstein as part of his general theory of relativity.This volume contains the exciting results presented at IAU Symposium 338, following the announcement of the first results of the observation of the collision of neutron stars by the LIGO and Virgo Advanced detectors, and follow-up observations by many ground-based and space telescopes.These observations provided an incredible context for the talks, posters and discussions at the meeting, fostering new interactions and collaborations between physicists and astronomers in an exciting new era of multimessenger astrophysics.For the first time, space-time messengers (gravitational waves) and electromagnetic ones (visible, infrared and ultraviolet light, x-rays, gamma-rays, radio waves) can be correlated, to increase our understanding of binary systems of compact objects, rotating or exploding stars and other astrophysical phenomena.A new window has opened through which we can view the cosmos.
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Gravitational Waves : Volume 1: Theory and Experiments
The aim of this book is to become a major reference text for gravitational-wave physics, covering in detail both the experimental and the theoretical aspects.It is the only existing book on gravitational waves to date, and it will likely remain unique for its broadness and scope.It brings the reader to the forefront of present-day research, both theoretical and experimental, assuming no previous knowledge of gravitational-wave physics.Part I of Volume 1 is devoted to the theory of gravitational waves.Here we have re-derived - in a coherent way - most of the results that we present, clarifying or streamlining existing derivations.Part II of Volume 1 is devoted to a description of experimental gravitational-wave physics.We discuss in great detail existing and planned experiments, as well as data analysis techniques.
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What is gravitational pseudoforce?
Gravitational pseudoforce, also known as the centrifugal force, is a fictitious force that appears to act on objects in a rotating frame of reference. It is not a true force like gravity, but rather an apparent force that arises due to the acceleration of the reference frame. This pseudoforce is experienced by objects in a rotating system and is directed away from the axis of rotation. It is important to account for gravitational pseudoforce when analyzing the motion of objects in a rotating reference frame.
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What is gravitational circulation?
Gravitational circulation is the movement of fluids caused by differences in density due to gravity. In this process, denser fluid sinks while less dense fluid rises, creating a continuous circulation pattern. This phenomenon is commonly observed in oceans and lakes, where differences in temperature and salinity lead to variations in water density and drive the circulation of water masses. Gravitational circulation plays a crucial role in redistributing heat and nutrients in aquatic environments, influencing the overall ecosystem dynamics.
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What is gravitational redshift?
Gravitational redshift is a phenomenon in which light or other electromagnetic radiation is shifted to longer wavelengths (lower frequencies) as it travels away from a gravitational field. This occurs because the gravitational field causes time to dilate, which in turn affects the frequency of the light. As the light moves away from the gravitational field, it loses energy and its wavelength increases, resulting in a redshift. Gravitational redshift is a key prediction of Einstein's general theory of relativity and has been observed in various astronomical contexts, providing evidence for the theory's validity.
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What are gravitational forces?
Gravitational forces are the attractive forces between two objects with mass. These forces are responsible for the phenomenon of gravity, which is the force that pulls objects towards each other. Gravitational forces are described by Newton's law of universal gravitation, which states that the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Gravitational forces are fundamental to the behavior of celestial bodies in space and are also important in understanding the motion of objects on Earth.
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Gravitational Waves : Volume 2: Astrophysics and Cosmology
The two-volume book Gravitational Waves provides a comprehensive and detailed account of the physics of gravitational waves.While Volume 1 is devoted to the theory and experiments, Volume 2 discusses what can be learned from gravitational waves in astrophysics and in cosmology, by systematizing a large body of theoretical developments that have taken place over the last decades.The second volume also includes a detailed discussion of the first direct detections of gravitational waves.In the author's typical style, the theoretical results are generally derived afresh, clarifying or streamlining the existing derivations whenever possible, and providing a coherent and consistent picture of the field.The first volume of Gravitational Waves , which appeared in 2007, has established itself as the standard reference in the field.The scientific community has eagerly awaited this second volume.The recent direct detection of gravitational waves makes the topics in this book particularly timely.
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God's Gamble : The Gravitational Power of Crucified Love
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Modern General Relativity : Black Holes, Gravitational Waves, and Cosmology
Einstein's general theory of relativity is widely considered to be one of the most elegant and successful scientific theories ever developed, and it is increasingly being taught in a simplified form at advanced undergraduate level within both physics and mathematics departments.Due to the increasing interest in gravitational physics, in both the academic and the public sphere, driven largely by widely-publicised developments such as the recent observations of gravitational waves, general relativity is also one of the most popular scientific topics pursued through self-study.Modern General Relativity introduces the reader to the general theory of relativity using an example-based approach, before describing some of its most important applications in cosmology and astrophysics, such as gamma-ray bursts, neutron stars, black holes, and gravitational waves.With hundreds of worked examples, explanatory boxes, and end-of-chapter problems, this textbook provides a solid foundation for understanding one of the towering achievements of twentieth-century physics.
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Cambridge IGCSE Information and Communication Technology Third Edition
This title is endorsed by Cambridge Assessment International Education to support the full syllabus for examination from 2023. Written by renowned expert authors, our updated resources enable the learner to effectively navigate through the content of the updated Cambridge IGCSE™ Information and Communication Technology syllabuses (0417/0983). - Develop skills when working with documents, databases and presentations: detailed step-by-step guidance demonstrates precisely how to perform a full range of software skills. - Build an understanding of theory: concepts are carefully explained and consolidated with a range of different activities. - Tackle spreadsheets and website authoring with confidence: challenging ideas are fully exemplified, with plenty of opportunity to practice using embedded Tasks. - Navigate the syllabus confidently: learning content is clearly mapped to the syllabus, with introductions to each topic outlining the learning objectives. - Consolidate skills and check understanding: activities and exam-style questions are embedded throughout the book, alongside key definitions of technical terms and a Glossary.
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Where are gravitational lenses applied?
Gravitational lenses are applied in the field of astronomy and astrophysics to study distant galaxies, stars, and other celestial objects. They are used to magnify and distort the light from these objects, allowing scientists to observe and study them in greater detail. Gravitational lenses are also used to test and validate the theory of general relativity, as they provide evidence of the bending of light by massive objects such as galaxies and galaxy clusters. Additionally, gravitational lenses have the potential to be used in future space missions for magnifying and studying exoplanets and other objects in distant solar systems.
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Is the gravitational force constant?
No, the gravitational force is not constant. It varies depending on the masses of the objects involved and the distance between them. According to Newton's law of universal gravitation, the force of gravity is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between them. This means that as the masses or distance change, the gravitational force will also change.
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Do gravitational waves bend time?
Yes, gravitational waves do bend time. According to Einstein's theory of general relativity, gravity is not just a force that acts on objects, but it also warps the fabric of spacetime. When massive objects accelerate or move, they create ripples in spacetime known as gravitational waves. These waves cause the fabric of spacetime to stretch and compress, which in turn affects the flow of time. This phenomenon has been observed and confirmed by the detection of gravitational waves from merging black holes and neutron stars.
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What is a gravitational field?
A gravitational field is a region in space around a massive object where another object with mass experiences a force due to gravity. The strength of the gravitational field is determined by the mass of the object creating the field. In this field, any object with mass will experience a force of attraction towards the massive object. The gravitational field is a fundamental concept in physics and is used to explain the behavior of objects in the presence of gravity.
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