Rotation 81, 122
Schwarzschild 131
Seconds-clock 36
Seeliger 105, 106
Simultaneity 22, 24-26, 81 relativity of 26
Size-relations 90
Solar eclipse 75, 127, 128
Space 9, 52, 55, 105 conception of 19
Space co-ordinates 55, 81, 99
Space interval@-interval#interval 30, 56 point@-point#point 99 two-dimensional 108 three-dimensional 122
Special theory of relativity 1-57, 20
Spherical surface 109 space 111, 112
St. John@St. John#St. John 131
Stellar universe 106 photographs 128
System of co-ordinates 5, 10, 11
Terrestrial space 15
Theory 123 truth of 124
Three-dimensional 55
Time conception of 19, 52, 105 coordinate@co-ordinate#co-ordinate 55, 99 in Physics 21, 98, 122 of an event 24, 26
Time-interval 30, 56
Trajectory 10
Truth@"Truth"#Truth 2
Uniform translation 12, 59
Universe (World) structure of 108, 113 circumference of 111
Universe elliptical 112, 114 Euclidean 109, 111 space expanse (radius) of 114 spherical 111, 114
Value of # 82, 110