RE: If there's nothing in empty space, then how does it get warped by gravity?
October 13, 2016 at 8:57 am
(October 13, 2016 at 6:10 am)EruptedCarcassBloat Wrote: Yeah I get how space is on a curve. They tell you that in like, 6th, 7th, 8th, 9th grade science I think? One of those. What I don't get is how empty space which isn't supposed to have anything in it has properties of matter, IE being able to be flexed and warped and pulled like fabric. That doesn't make any sense to me at all. I mean, I get the curve and fabric model, but that doesn't really explain anything but give you a very vague image of the direction gravity flows.
near the sun, the strength of it's gravitational field is so strong that the energy it represents is of such magnitude that it's mass equivalent (E equals MC squared works both ways) affects the orbit of Mercury enough to be detectable.
Newton's law of gravity didn't anticipate this effect, Einstein's 'tweak' explained it'
So empty space can have energy in it, and then exhibit properties of the mass equivalent of that energy.
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