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Does an object traveling near the speed of light create a gravitaional field? [duplicate]
Does a particle traveling near the speed of light create an observable/measureable gravitational field around it? I know most elementary particles travel near the speed of light and have no ...
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Mass is rigidity?
In General Relativity, a totally rigid body cannot be accelerated. It will behave like something of infinite mass.
Similarly a body of two separated particles which connected to each other with a ...