All Questions
5
questions
2
votes
1
answer
198
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Does an accelerated frame of reference have the same effect as that of mass in space time
According to the equivalence principle, gravity and inertial forces are similar. And according to general Relativity, If there’s a large object in space-time, it warps the space time’s geometry and ...
- 131
2
votes
2
answers
168
views
Does the equivalence principle imply that light must move slower when moving away from a massive object?
Thought experiment: Elevator going up at an extreme acceleration, pulse of light bouncing up, and down between mirrors on the floor, and the ceiling. Won't it take light longer to travel from the ...
2
votes
1
answer
337
views
Gravity, acceleration and reference frames [closed]
Let’s say the universe was empty and suddenly an astronaut and the sun appeared 2 light years apart. Using the reference frame of the Astronaut, would he be pulled towards the sun as soon as he can ...
- 31
3
votes
2
answers
558
views
The Michelson-Morley experiment
A fundamental assumption in special relativity is that the speed of light is constant in all inertial reference frames, which was first established empirically via the Michelson-Morley experiment. ...
- 304
32
votes
4
answers
22k
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Does gravity slow the speed that light travels?
Does gravity slow the speed that light travels? Can we actual measure the time it takes light from the sun to reach us? Is that light delayed as it climbs out of the sun's gravity well?
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