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I was watching one of the documentaries of Brian Greene (Beyond Cosmos).
here at (12:00-12:10) he says.The skater spins respect to space.
My question is How can space-time can be a referance frame itself ?
Is it means we can just pick a coordinate and make it a referance frame ? (Sounds wrong to me )
Thanks
here at (12:00-12:10) he says.The skater spins respect to space.
My question is How can space-time can be a referance frame itself ?
Is it means we can just pick a coordinate and make it a referance frame ? (Sounds wrong to me )
Thanks