All Questions
6
questions
-4
votes
2
answers
102
views
Can we use the fabric of spacetime to go faster than the speed of light?
If the fabric of spacetime isn't bound by the limit of the speed of light (the universe is expanding faster than the speed of light), could humans somehow wrap a spaceship in a bubble of the fabric of ...
2
votes
1
answer
59
views
What is observed by Astronauts traveling from M at just under $c$, but proper distance increases at greater than $c$ due to spacetime expansion?
A rocket is traveling at a reasonable speed directly away from planet M at a large distance D. M is shaped like a coin and to the astronaut looking through a telescope directly out the back of the ...
- 143
-2
votes
1
answer
98
views
What would it be like to go past the speed of light? [closed]
Question #1:
I'm actually surprised that nobody has asked this question before, but theoretically speaking, what would it be like to go past the speed of light? This is actually only one of a few ...
- 183
3
votes
1
answer
95
views
Is it possible that the universe is not expanding faster than the speed of light? [closed]
What if the speed of light increases proportionately to the expansion of space? Is it possible that light traveling in the medium of space gets to travel faster if the medium is expanding? An analogy ...
- 31
0
votes
2
answers
125
views
Scenario of Crossing the speed limit of our Universe [duplicate]
One of Important conclusions of Einstein's Theory of Relativity is that we cannot cross or break the speed limit set by the laws of physics that is the speed of causality
consider this scenario:
...
- 290
0
votes
2
answers
1k
views
Can the expansion space time reverse itself and contract the same way?
If there's a mechanism for space-time expanding faster than the speed of light, is there an example of It contracting in the same manner? If whatever mechanism is causing it to expand, can the ...
- 379