A

anthropic principle 96

Aristotle’s theory of gravity 2

B

bending of starlight 30

binary pulsar systems 41

black hole radiation 89

black holes 36

C

Cavendish’s experiment 25

CMB polarization 80

concordance model of

cosmology 76

constancy of mass 17

cosmic in’ation 90

Cosmic Microwave Background

(CMB) 63

cosmological constant 60, 93

cosmology 58

critical rate of cosmic expansion 62

D

dark energy 77

dark matter 76

double pulsar 42

E

E = m c2 11

early Universe 64

Eddington’s expedition 31

efect of gravitational waves 48

Einstein’s theory of gravity 8

ether 20

Euclid satellite 82

event horizons 36

expanding Universe 58

expansion history of the

Universe 68

experimental probes of Einstein’s

theory 27

experimental probes of Newton’s

law 24

F

fine-tuning of the cosmological

constant 94

flat and curved spaces 13

frame dragging 33

G

galaxy rotation 75

General Theory of

Relativity 12

geodetic precession 33

gravitational lensing 75

gravitational redshifting 18

gravitational time dilation 20

gravitational wave detectors 51

gravitational waves 46

gravity as acceleration 14

gravity from curvature 11

Gravity Probe B 33

H

history of cosmology 59

Hubble’s law 60

Hughes-Drever experiment 22

Hulse-Taylor binary pulsar

system 37

I

interferometry 21

K

kepler’s laws 6

L

laboratory tests of gravity 26

large-scale structure in the

Universe 71

Large Synoptic Survey

Telescope 82

late Universe 71

life of a star 35

LIGO experiment 50, 52

Loop Quantum Gravity 88

lunar laser ranging 24

M

Maxwell’s theory of light 8

Mercury’s anomalous orbit 28

Michelson-Morley

experiment 20

microsecond pulsars 44

multiverses 95

N

neutron stars 36

Newton’s force law 6

Newton’s theory of gravity 4

non-renormalizability of

gravity 86

O

observation of gravitational

waves 53

observations of the CMB 66

P

particles in gravitational

fields 88

Planck Surveyor 67

pulsars 37

Q

quantum gravity 85

quantum mechanics 83

R

radio time-delay efect 31

S

seeds of structure in

cosmology 92

Solar System 16

space-time 10

space with positive and negative

curvature 60

Special Theory of Relativity 10

speed of light 8

Square Kilometre Array 43

String Theory 87

supernovae 36, 70

synthesis of the light

elements 65

T

testing foundational

assumptions 17

triple pulsar 45

U

Universality of Free Fall 3

Unruh radiation 89

W

Weber bars 51

WMAP experiment 67