Can gravitational time dilation be measured at different levels of the universe?

In summary, time would continue to tick faster and faster as you move further away from each gravitational source but the effect would be very small.
  • #1
NWH
107
0
Okay, this is a hard question to phrase, so I apologise if I'm off course somewhere. One could say our world around us is built up in different levels. We live down here on a planet, orbiting around a star, flowing around a galaxy and so on. What I'm wondering is how time would be effected through each of these levels if we took a (hypothetical) measurement at each one. Time up in space is faster than it is on Earth. Now, if we escaped further out of the sun's gravitational field into deep space and stopped at rest, would time tick even faster relative to Earth because we're further away from the sun? Now, what if we went even further and escaped out of the gravitational field of the Milky Way into deep, deep space. Would time continue to tick faster and faster relative to the Earth until we started entering another gravitational field?
 
Last edited:
Physics news on Phys.org
  • #2


Anyone?
 
  • #3


NWH said:
Okay, this is a hard question to phrase, so I apologise if I'm off course somewhere. One could say our world around us is built up in different levels. We live down here on a planet, orbiting around a star, flowing around a galaxy and so on. What I'm wondering is how time would be effected through each of these levels if we took a (hypothetical) measurement at each one. Time up in space is faster than it is on Earth. Now, if we escaped further out of the sun's gravitational field into deep space and stopped at rest, would time tick even faster relative to Earth because we're further away from the sun? Now, what if we went even further and escaped out of the gravitational field of the Milky Way into deep, deep space. Would time continue to tick faster and faster relative to the Earth until we started entering another gravitational field?
Yes, but the effect would be very small as you get far away from each gravitational source. Gravitational time dilation is noticeable only when you're reasonably close.
 
  • #4


DrGreg said:
Yes, but the effect would be very small as you get far away from each gravitational source. Gravitational time dilation is noticeable only when you're reasonably close.
Oh, I see. Okay, thanks...
 

Related to Can gravitational time dilation be measured at different levels of the universe?

1. What is gravitational time dilation?

Gravitational time dilation is the phenomenon where time appears to pass slower in a stronger gravitational field. This is due to the curvature of space-time caused by massive objects, such as planets or black holes.

2. How does the level of a group of systems affect gravitational time dilation?

The level of a group of systems does not directly affect gravitational time dilation. However, the level or strength of the gravitational field in which the systems are located can impact the amount of time dilation experienced.

3. Can gravitational time dilation be observed on a small scale?

Yes, gravitational time dilation can be observed on a small scale. For example, experiments have shown that time passes slightly faster at higher altitudes due to the weaker gravitational field compared to sea level.

4. Does gravitational time dilation have any practical applications?

Yes, gravitational time dilation has practical applications in various fields such as satellite navigation and space travel. It is also a crucial factor in the accuracy of GPS systems.

5. Is gravitational time dilation the same as time travel?

No, gravitational time dilation and time travel are different concepts. Gravitational time dilation only affects the rate at which time passes, while time travel involves traveling through time itself. However, the effects of time dilation can create scenarios that may seem like time travel, such as the twin paradox.

Similar threads

  • Special and General Relativity
2
Replies
58
Views
3K
  • Special and General Relativity
Replies
7
Views
1K
  • Special and General Relativity
Replies
11
Views
991
  • Special and General Relativity
Replies
4
Views
1K
  • Special and General Relativity
Replies
12
Views
1K
  • Special and General Relativity
Replies
8
Views
1K
  • Special and General Relativity
Replies
1
Views
674
  • Special and General Relativity
2
Replies
37
Views
3K
  • Special and General Relativity
Replies
1
Views
343
Replies
11
Views
1K
Back
Top