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4
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Using position of a free particle to measure time
Hartle, gravity
An observer in an inertial frame can discover a parameter t with
respect to which the positions of all free particles are changing at constant rates.
This is time
Then goes on to say
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- 1,270
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5
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Why does time speed up when away from gravitational masses?
I read something about if an astronaut travels away from earth and comes back he/she is older because time passes faster while away from so much gravity. Would that also mean time would go slower ...
- 41
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2
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199
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What is the relationship between the flow rate of time and gravitational field?
I have heard, qualitatively, about the fact that time's rate of flow slows when the gravitational field is "strong". Here I am looking for some more rigorous descriptions of this phenomenon.
My first ...
- 916
1
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1
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Does matter stacks up as it approaches Black hole?
When something approaches Black hole it'll experience time dilation with respect to a frame away from the black hole.
So to an observer away from the hole the object would seem to slow down until ...
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