B I wonder why massive objects slow down time

[HG009]

Why does massive objects like stars and black holes slows time

 

[PeroK]

Are you asking for an explanation for Gravitational Time Dilation?

 

[phinds]

Why does massive objects like stars and black holes slows time

It doesn't. You are confusing differential aging with time dilation.

Clocks do not tick at a different rate (and no person ages differently) based on where they are. What DOES happen is that clocks (and people) can take different paths through space-time so that if they separate and then meet up again they can have aged by different amounts.

Exactly the same as two cars can each go from point A out into the world and then come back again, both always going 60 miles per hour, but having gone by different path, have a different number of miles on their odometers.

 

[HG009]

Are you asking for an explanation for Gravitational Time Dilation?

Yes

 

[HG009]

It doesn't. You are confusing differential aging with time dilation.

Clocks do not tick at a different rate (and no person ages differently) based on where they are. What DOES happen is that clocks (and people) can take different paths through space-time so that if they separate and then meet up again they can have aged by different amounts.

Exactly the same as two cars can each go from point A out into the world and then come back again, both always going 60 miles per hour, but having gone by different path, have a different number of miles on their odometers.

Thanks! Actually I'm new here so I just posted a sample question :)

 

[sysprog]

Thanks! Actually I'm new here so I just posted a sample question :)

At least a few of us are too old for that.

 

[PeroK]

Yes

General Relativity replaces Newton's theory of gravity with curved spacetime instead of a gravitational force. Curved spacetime follows directly from Einstein's Field Equations, which are the laws that replace Newton's law of gravity.

Your question is the same as asking why massive bodies exert a gravitational force on each other? That is a law of physics from which all else follows.

 

[HG009]

At least a few of us are too old for that

General Relativity replaces Newton's theory of gravity with curved spacetime instead of a gravitational force. Curved spacetime follows directly from Einstein's Field Equations, which are the laws that replace Newton's law of gravity.

Your question is the same as asking why massive bodies exert a gravitational force on each other? That is a law of physics from which all else follows.

Thanks!