I have few questions to ask for the members of Brilliant :

- what does "space time" and "curvature of space time" refer to ?
- what does the "special theory of relativity" and "general theory of relativity" state ?

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TopNewestFinn, I have 2 questions to ask on your article : 1. What do you mean when you say that " pulling is what time is " in 17th line ? 2. What do you say about " Length Contraction " which is very difficult to understand ?

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I'm saying that in the model I'm using, where spacetime is a latex-like fabric, that where a warping is the space, the pulling of the fabric is like a representation of time. As for length contraction, you're right, it's more complicated. A quick Google search should help you out, though. :D

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Finn, I will surely say that you would become the youngest scientist of USA !!!

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:D I wish. :D

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Those are good questions! Read this article I wrote a while back. It's a bit long, so I'll just answer your questions here:

Space-time is the fabric that everything is made of, including empty space/void. It has been observed that large bodies of gravity can even have an effect upon space-time, which you have called "curvature of space-time". The article should help you become familiar with the mechanics.

Einstein's theories of relativity talk about relative motion, like two cars driving next to each other, or somebody bouncing a rubber ball in a plane. He "dumb"-ed it down a lot so that almost anybody can read his paper.

Questions? :D

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Thank you for your answer, Finn. I asked these questions so that i could understand Stephen Hawking 's " Black holes and Baby Universes and other essays " clearly . I hope I would still ask more questions on astrophysics and the universe within this month

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Anytime! :D

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Space time refers to the dimensions of the universe.

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Not really. It really means the very fabric of existence, not just space but also time.

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Thanks Finn Hulse for a great explanation. ...hope you will help me clearing my doubts

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