Special and General Relativity Forum

Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
Replies
3
Views
59K
Replies
2
Views
4K
Replies
15
Views
6K
Replies
41
Views
11K
Replies
14
Views
149
Replies
0
Views
16
Replies
57
Views
648
Replies
33
Views
649
Replies
5
Views
122
Replies
48
Views
1K
Replies
14
Views
175
Replies
4
Views
120
Replies
21
Views
343
Replies
7
Views
108
Replies
45
Views
2K
Replies
12
Views
1K
Replies
15
Views
271
Replies
2
Views
86
Replies
11
Views
254
Replies
6
Views
205
Replies
76
Views
1K
Replies
6
Views
130
Replies
8
Views
182
Replies
35
Views
699
Replies
30
Views
460
Replies
9
Views
199
Replies
27
Views
542
Replies
34
Views
393
Replies
5
Views
222
Replies
3
Views
186
Replies
29
Views
973
Replies
9
Views
265
Replies
12
Views
405
Replies
17
Views
502
Replies
61
Views
3K
Replies
41
Views
587
Replies
57
Views
975
Replies
3
Views
212
Replies
4
Views
250
Replies
54
Views
1K
Replies
6
Views
273
Replies
13
Views
629
Replies
10
Views
363
Replies
15
Views
716
Replies
14
Views
1K
Replies
123
Views
1K
Replies
2
Views
281
Replies
10
Views
416
Replies
20
Views
632
Replies
39
Views
2K
Replies
6
Views
259
Replies
7
Views
393
Replies
101
Views
2K
Replies
4
Views
275
3
Replies
82
Views
2K
Replies
25
Views
546
Replies
34
Views
961
Replies
73
Views
2K
Replies
74
Views
2K
Replies
8
Views
456
Replies
14
Views
532
Replies
21
Views
481
Replies
34
Views
641
Replies
13
Views
557
Replies
11
Views
473
Replies
68
Views
2K
Replies
18
Views
469
Replies
20
Views
656
Replies
7
Views
384
Replies
23
Views
574
Replies
44
Views
1K
Replies
26
Views
991
Replies
4
Views
391
Replies
25
Views
827

Relativity

The theory of relativity, formulated by Albert Einstein, comprises two fundamental theories—special and general relativity. Special relativity, proposed in 1905, redefines our understanding of space and time by asserting the constancy of the speed of light for all observers and introducing concepts like time dilation and length contraction.

General relativity, presented in 1915, extends these principles to incorporate gravity. It describes gravity as the curvature of spacetime caused by massive objects, leading to phenomena like gravitational time dilation and the prediction of black holes. Einstein's equations have been consistently validated through experiments and observations, profoundly influencing our comprehension of the universe's fabric and dynamics.
Back
Top