14 Answered Questions

10 Answered Questions

10 Answered Questions

[SOLVED] Can black holes form in a finite amount of time?

7 Answered Questions

9 Answered Questions

8 Answered Questions

[SOLVED] What is an observer in quantum mechanics?

4 Answered Questions

9 Answered Questions

3 Answered Questions

[SOLVED] What will the universe look like for anyone falling into a black hole?

3 Answered Questions

[SOLVED] The age of the universe

10 Answered Questions

2 Answered Questions

[SOLVED] Black hole formation as seen by a distant observer

3 Answered Questions

[SOLVED] The reference frame of $c$

2 Answered Questions

6 Answered Questions

[SOLVED] Conservation of energy and Doppler effect?

3 Answered Questions

[SOLVED] Is energy content of a system different depending on the observer?

3 Answered Questions

5 Answered Questions

[SOLVED] Hole-and-nail paradox in special relativity

2 Answered Questions

5 Answered Questions

3 Answered Questions

5 Answered Questions