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Bibframe Work

Title
Gravity : a very short introduction
Type
Text
Contribution
Clifton, Timothy, (Author)
Subject
Gravity (LCSH)
Gravitation (LCSH)
General relativity (Physics) (LCSH)
General relativity (Physics) (FAST)
Gravitation. (FAST)
Gravity. (FAST)
Gravitation (GND)
Language
English
Illustrative Content
Illustrations
Classification
LCC: QC178 .C458 2017
DDC: 530 full
Content
text
Summary
Timothy Clifton looks at the development of our understanding of gravity since the early observations of Kepler and Newtonian theory. He discusses Einstein's theory of gravity, which now supplants Newton's, showing how it allows us to understand why the frequency of light changes as it passes through a gravitational field, why GPS satellites need their clocks corrected as they orbit the Earth, and why the orbits of distant neutron stars speed up. Today, almost 100 years after Einstein published his theory of gravity, we have even detected the waves of gravitational radiation that he predicted. Clifton concludes by considering the testing and application of general relativity in astrophysics and cosmology, and looks at dark energy and efforts such as string theory to combine gravity with quantum mechanics.
Authorized Access Point
Clifton, Timothy, Gravity : a very short introduction