Gravity from the Ground Up

[steaner]

Gravity from the Ground Up



Cambridge University Press | ISBN-13: 9780521455060 | English | PDF | 490 Pages | Size: 6.37 MB

Introduction
This book provides an accessible introduction to astronomy and general relativity, aiming to explain the Universe, not just to describe it. Written by an expert in relativity who is known for his clearly-written advanced textbooks, the treatment uses only high-school level mathematics, supplemented by optional computer programs, to explain the laws of physics governing gravity from Galileo and Newton to Einstein.

Table Of Contents

Preface
Background: what you need to know before you start
1 Gravity on Earth: the inescapable force 1
2 And then came Newton: gravity takes center stage 9
3 Satellites: what goes up doesn't always come down 19
4 The Solar System: a triumph for Newtonian gravity 25
5 Tides and tidal forces: the real signature of gravity 39
6 Interplanetary travel: the cosmic roller-coaster 51
7 Atmospheres: keeping planets covered 65
8 Gravity in the Sun: keeping the heat on 85
9 Reaching for the stars: the emptiness of outer space 103
10 The colors of stars: why they are black (bodies) 109
11 Stars at work: factories for the Universe 121
12 Birth to death: the life cycle of the stars 135
13 Binary stars: tidal forces on a huge scale 153
14 Galaxies: atoms in the Universe 163
15 Physics at speed: Einstein stands on Galileo's shoulders 179
16 Relating to Einstein: logic and experiment in relativity 195
17 Spacetime geometry: finding out what is not relative 211
18 Einstein's gravity: Einstein climbs onto Newton's shoulders 225
19 Einstein's recipe: fashioning the geometry of gravity 239
20 Neutron stars: laboratories of strong gravity 261
21 Black holes: gravity's one-way street 285
22 Gravitational waves: gravity speaks 309
23 Gravitational lenses: bringing the Universe into focus 331
24 Cosmology: the study of everything 345
25 The Big Bang: the seed from which we grew 367
26 Einstein's Universe: the geometry of cosmology 383
27 Ask the Universe: cosmic questions at the frontiers of gravity 391
App values of useful constants 419
Glossary 421
Index 443




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