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I know that in observable universe energy is not conserved.I don't know exactly why (it s possibly about GR and expanding universe but I don't know the equations)
In the observable universe...If we take a whole system like entire Observable universe, In this system is momentum conserved ?
Sorry,If its a stupid question
In the observable universe...If we take a whole system like entire Observable universe, In this system is momentum conserved ?
Sorry,If its a stupid question