How Does Light Take a U-Turn?

[shivakumar]

How did you find PF?

I came to know by friends

I like physics. I always wanted to be member of a form where i learn more physics.

 

[jedishrfu]

Welcome to PF!

 

[shivakumar]

Good morning sir. I always had this crazy question. we know black hole can bend the light into itself. Can light take a U-turn and trace back to its origin?

 

[PeroK]

Good morning sir. I always had this crazy question. we know black hole can bend the light into itself. Can light take a U-turn and trace back to its origin?

In theory, yes.

 

[shivakumar]

Sir, is it possible that a mega sized star could actually make its own light take a u-turn when it is about to become a black hole?

 

[PeroK]

Sir, is it possible that a mega sized star could actually make its own light take a u-turn when it is about to become a black hole?

You need to post your question in the relativity forum.

 

[fresh_42]

You need to post your question in the relativity forum.

@all who want to follow that discussion, see

https://www.physicsforums.com/threads/light-taking-u-turn.1045861/