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That is circular logic, and doesn't really explain anything much to me. Gravity is a force, space/time are measures of variations. I have already figured out, to my satisfaction, that time travel is impossible, as it must of necessity encompass space travel - if we travel back in time, the earth would no longer be in the same place as it was at that time, therefore, we must travel back in time and space.
"PS, without my work, you may have not had that super Hubble picture you posted. And I thank you for it. But I suppose you still think me an ingrate for disagreeing with you."
Not at all. It is one of the things I am very proud of out of my three years working at Kennedy Space Center. I designed a special system, first used on the Hubble launch, which saved the day and allowed them to make their very critical launch window. Otherwise, the Hubbble could have been delayed for years, if it made it up at all.
As far as disagreeing - you are in your element here, not me. I am just trying to get some answers, to my satisfaction, that can give me an idea in laymans terms, what gravity is. At present, I have only seen offers of measurements of gravity as examples. EG, light is composed of photons, and measured in mph or what ever. What is gravity composed of?
I'm not sure what your problem is, here. Is it that you don't understand how spacetime can have a curvature, or that you don't believe that if you start with flat spacetime and induce a curvature, it will quantitatively and qualitatively exhibit every feature of a gravitational field, down to its last measurable detail?