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Hritik Narayan
  • Member for 7 years, 8 months
  • Last seen more than 1 year ago
51 votes
5 answers
7k views

Are there any theoretical limits on the energy of a photon?

31 votes
2 answers
4k views

Is there a limit as to how fast a black hole can grow?

27 votes
7 answers
3k views

Why don't photons split up into multiple lower energy versions of themselves?

8 votes
1 answer
580 views

Are the distances we measure to objects in the universe incorrect because of their relative motion?

7 votes
5 answers
2k views

Is the shell theorem only an approximation?

7 votes
2 answers
950 views

Can a hydrogen cloud directly collapse to form a black hole?

6 votes
1 answer
263 views

Why is Hawking radiation exclusive to black holes *only*?

6 votes
2 answers
314 views

How can we differentiate between matter and antimatter? [duplicate]

5 votes
2 answers
5k views

How does the Hawking Radiation mechanism cause a black hole to lose its mass? [duplicate]

5 votes
1 answer
276 views

Does quantum spin contribute to the angular momentum of a black hole?

4 votes
1 answer
42k views

Why does air feel cooler when blown through a small hole and warm through a big one? (for example from a mouth) [duplicate]

3 votes
1 answer
571 views

How does a sonic black hole (or dumb hole) work?

3 votes
1 answer
851 views

Change in radius of a charged bubble

3 votes
2 answers
231 views

Are there hypothetical processes which allow the existence of a fission powered star?

2 votes
2 answers
551 views

What kind of volume does the event horizon of a Kerr black hole enclose?

2 votes
1 answer
116 views

If I kept getting closer and closer to the speed of light, what would be the gravitational effects appearing like to an observer? [duplicate]

1 vote
1 answer
515 views

Can the angular momentum of any rigid body (symmetrical or asymmetrical) be found this way?

1 vote
1 answer
431 views

Why do some objects tend to change their axis of rotation while rotating?

0 votes
1 answer
138 views

What happens to K.E. in matter antimatter annihilation?

0 votes
1 answer
189 views

Is the event horizon also the boundary region of the mass contained by a black hole?

0 votes
2 answers
221 views

Can a body ever experience acceleration this strong?

0 votes
2 answers
3k views

Why do objects seem to move faster (relatively) when they move tangential to the observer?

0 votes
1 answer
561 views

How to find the force due to fluid pressure over a surface?

0 votes
1 answer
736 views

About a recent experiment which claims reality doesn't exist until we measure it?

0 votes
1 answer
54 views

Can I destroy a star faster by trapping it in a spherical mirror? [duplicate]

-2 votes
1 answer
85 views

Two different expressions for the Schwarzschild Radius? [closed]