Science Buddies: "Ask an Expert"

Hello,
My question is how does gravity work according to Einstein's theory? As I know he argues that it behaves just like acceleration, but I could not imagine how it could be applied. On earth, for instance, if someone is standing by the north and another one is standing by the south, how can the acceleration (that causes gravity) affects both of them in the same way. The acceleration should have an effect in one direction only. It should not be affecting each part of the planet at the same time.
Thank you very much:)

Hi,

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A. Norman