Questions tagged [frame-dragging]
The frame-dragging tag has no usage guidance.
103
questions
8
votes
3
answers
1k
views
We know there is no aether, so what is being dragged in frame dragging?
I have read this question:
In stellar frame dragging what is the 'frame'?
There are several questions on this site about frame dragging, all of them take the frame that is being dragged as an ...
- 29k
1
vote
1
answer
89
views
In stellar frame dragging what is the 'frame'?
If a star rotation causes a frame rotation then there is an interaction between the two. Is it possible for the star to briefly expel this same frame away from its center when the star becomes a ...
- 467
1
vote
1
answer
102
views
What is the effect of rotational frame dragging on an object constrained in equatorial non-free falling trajectory?
The wikipedia article about frame dragging mentions the following fact about rotational frame dragging:
Another interesting consequence is that, for an object constrained in an equatorial orbit, ...
- 133
0
votes
1
answer
69
views
Do frame dragging carry energy away like gravitational wave?
Imagine 2 blackholes inspiral closer as they emits tremendous amount of energy as gravitational wave, now I tried to intuitively imagine a spaceship doing a flyby(gravity assist) near a spinning ...
- 13k
2
votes
1
answer
231
views
Solar frame dragging
Does solar frame dragging induce a higher centrifugal force to Mercury so its orbit is precessing as well as being more outwards than it should be if there wasn't solar frame dragging?
- 467
2
votes
1
answer
115
views
Does Birkhoff's theorem still apply to an ultra-dense spherical shell of matter falling into a black hole?
In previous posts I discovered that the effects on space-time geometry of an ultra-dense stationary spherical shell yielded pretty simple equations but I imagine some sort of secondary non-linear ...
- 347
1
vote
1
answer
102
views
Frame drag of event horizons
I was having a discussion with a friend and he brought up that you could float into an event horizon and not know that you had gone in. I believed this only works with a Schwarzschild black hole. He ...
1
vote
0
answers
109
views
Does frame-dragging affect planets?
The question has come up many times as to why the planets in our solar system lie in essentially the same plane. The most common answer is that they started out that way due to the accretion disk ...
- 15
0
votes
0
answers
62
views
Why is frame dragging possible for perfectly spherical spinning blackhole?
Even factoring the bulging as it spin very fast, I imagine no fluctuations in the density of gravitons emitting along the equator so how can frame dragging occurs? I know a gravitational wave depends ...
- 13k
0
votes
2
answers
105
views
Will the spacetime around a rotating spherical massive body change in time or not?
The spacetime around a rotating massive body is distorted (in addition to the distortion caused by the body's gravity) by frame dragging. My question is simple. Is this distortion around a massive ...
1
vote
0
answers
42
views
Does the frame dragging Schiff Equation imply opposite directions of spin over the pole compared to the equator?
In reviewing the answers to Schiff Equation in a polar orbit, I see that the Schiff Equation for rotation about the z-axis (north-south pole axis) can be written as:
This is integrated to give an ...
- 480
11
votes
1
answer
475
views
Is MTW's argument in favor of Mach's principle valid?
Looking at older books, I was surprised to see that the general relativity "bible" by Misner, Thorne, and Wheeler is very strongly in favor of Mach's principle, which is treated in section ...
- 103k
6
votes
1
answer
417
views
Gravitational lensing redshift around a Kerr black hole
Light from a source passes by a Kerr black hole on two sides at the equator and converges at the observer. The axis of rotation of the black hole is perpendicular to the direction of light. Two rays ...
- 12.7k
1
vote
1
answer
84
views
Spacetime drag and galaxies' radial velocity mismatch
We know - or theorize - that a spinning black hole drags spacetime in its surroundings, producing measurable effects on the accretion disk (the minimum stable orbit radius).
What I cannot grasp is why ...
- 133
0
votes
1
answer
49
views
Does mass have a larger frame dragging effect than energy?
A rotating mass will twist spacetime and cause orbiting bodies to precess. My question is whether the mass of the rotating body itself plays a bigger role in the dragging effect than energy and how ...
