Why does Space-Time curve and more importantly, why and how does Space and Time come together to form a “fabric”?
In: Physics
Two questions. I’ll answer the second one first.
You always move through time, but if you move through space then you move through time more slowly. If you move as fast as you can (the speed of light) then you stop moving through time.
Photons don’t age.
Time is different for different things because they move through space differently.
Space is curved because a straight line isn’t what you would think of as straight if there’s an object big enough to mess up the curvature of space in your path.
Let’s say you shoot two beams of light in the same direction, but a meter apart. If space were flat they’d stay a meter apart. But space isn’t flat, so as the beams of light travel, they get closer to each other, or farther away.
Why does it work this way? We don’t really know. But it does.
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