Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Explore our Questions

0 votes
0 answers
10 views

Wouldn't Millars planet be ripped to shreds by extreme tidal forces?

7 votes
2 answers
131 views

Are there any CMB-independent probes of the curvature of the Universe?

7 votes
4 answers
553 views

Where is the Lorentz signature enforced in general relativity?

1 vote
3 answers
100 views
+100

Thought experiment in Mach's principle - Can a void universe be considered with special relativity?

11 votes
5 answers
1k views

Does a volume stay constant when freely falling?

4 votes
1 answer
1k views

Fibre bundles and space-time

2 votes
2 answers
167 views

What is the adiabatic index of stiff matter?

0 votes
1 answer
450 views

Lie derivative - Problem 8.5 from General Relativity by Hughston & Tod

3 votes
2 answers
378 views

Entropy and the curvature of the Universe

1 vote
2 answers
902 views

Does the formula $ \theta = \frac{v}{c} $ to find out deflection of light make sense?

0 votes
4 answers
138 views

Does an observer experience stronger gravity on the way towards the singularity?

-1 votes
0 answers
25 views

How do clocks, at rest wrt to us, in a saddle-shaped 3D space tick relative to one another?

6 votes
5 answers
844 views

Is an event horizon absolute to all observers?

0 votes
0 answers
35 views

How is the singularity of Schwarzschild space-like if a one can take a time like path to it?

Browse more Questions