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0 pointsandrewflnr9y ago0 comments

I'm fairly certain GR conserves momentum, even if it doesn't conserve energy.

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I thought so too until recently, but in GR energy and momentum are unified in an energy-momentum metric which is only locally conserved [1].

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0 pointsandrewflnr9y ago0 comments

I'm fairly certain GR conserves momentum, even if it doesn't conserve energy.

I thought so too until recently, but in GR energy and momentum are unified in an energy-momentum metric which is only locally conserved [1].

j / k navigate · click thread line to collapse