Open Question: What is space (or spacetime)?
And can it expand? If it can expand can it expand greater than the speed of light?
(By the way this relates to the last question I asked about the universe expanding)
If the answer to these is yes then what is the difference between object A accelerating away from object B, and the space between object A and B expanding and no matter which is true would it not still be impossible for object B to move faster than light if I was standing on A.
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