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Physics, Astronomy & Cosmology / Re: What's the difference between general and special relativity?
« on: 09/12/2015 13:26:52 »
"What's the difference between general and special relativity?"
The essential difference is that spacetime have not to be warped by masses or energy, to apply special relativity. If it is, general relativity have to be used.
So, for example, in absence of massive objects or others which can warp spacetime, we can use SR even to treat accelerating spaceships, as in the "twin paradox".
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The essential difference is that spacetime have not to be warped by masses or energy, to apply special relativity. If it is, general relativity have to be used.
So, for example, in absence of massive objects or others which can warp spacetime, we can use SR even to treat accelerating spaceships, as in the "twin paradox".
--
lightarrow