Read The Milky Way and Beyond Online
Authors: Britannica Educational Publishing
Shu, Frank H.,
24
Sirius,
46
,
50
,
53
,
57
,
68
,
81
,
89
,
104
,
122
,
125
â126
solar motion,
40
â44
speckle interferometry,
67
spectroscopic binary stars,
60
,
61
,
62
,
63
,
67
,
124
spiral galaxies, explanation of,
178
â181
star clusters
dynamics of,
119
â120
in external galaxies,
120
â122
globular clusters,
21
,
23
,
25
,
29
,
30
,
31
,
32
,
34
,
36
,
38
,
43
â44,
70
,
71
â72,
74
,
76
,
79
,
110
,
112
,
113
,
114
â117,
119
,
120
,
121
,
122
,
151
,
165
,
166
,
170
,
171
,
173
,
174
,
176
,
185
,
195
OB and T associations,
90
,
112
,
117
â119,
120
,
121
,
199
open clusters,
32
,
34
,
35
,
38
,
71
,
72
,
110
â114,
118
,
119
,
120
,
121
,
124
,
170
,
171
stars
atmosphere of,
80
â82
brightness and colour of,
53
â54,
92
â93,
115
categories of,
50
distances to,
49
â52
end states of,
102
â109
formation and evolution of,
14
,
89
â102,
139
â140,
144
,
152
â153,
155
internal structure of,
82
â88,
92
â93
masses of,
59
â60
positions of,
52
â53
principal population types,
28
â31
size and activity of,
45
â49
temperatures of,
59
,
92
,
93
,
95
,
98
,
99
stellar associations, explanation of,
45
,
110
,
118
stellar luminosity function,
31
â35
stellar winds,
46
â49,
137
,
143
,
151
,
152
Sun, atmosphere and mechanism of energy transport,
80
â81,
85
,
87
â88
supergiant nebulae,
145
â146
symbiotic stars,
154
T
Tammann, Gustav,
199
Tarter, Jill,
95
Taylor, Joseph,
106
â107
Trumpler, Robert J.,
114
Tully-Fisher relation,
185
turbulence (in nebulae),
16
,
136
â137,
138
U
V
van Maanen rotation,
171
â172
van Rhijn, Pieter J.,
31
van Rhijn function,
31
,
32
,
33
,
34
,
35
variable stars, explanation of,
73
â80
Vaucouleurs, Gerard de,
180
,
182
,
188
Virgo cluster,
122
,
184
,
185
,
192
,
196
,
199
,
200
visual binary stars,
60
â61,
67
,
72
W
Wallerstein, George,
30
white dwarfs,
14
,
34
,
35
,
36
,
39
,
46
,
50
,
62
,
67
,
69
,
70
,
71
,
72
,
76
,
77
,
78
,
84
,
94
,
101
,
103
â104,
105
,
126
,
153
,
154
,
167
Wilkinson Microwave Anisotropy Probe,
44
Wolf, Charles-Joseph-Ãtienne,
98
Z
Zanstra, H.,
152
Zwicky, Fritz,
197