{"version":"1.0","type":"link","title":"Null dust solution - Newikis","description":"In mathematical physics, a null dust solution (sometimes called a null fluid) is a Lorentzian manifold in which the Einstein tensor is null. Such a spacetime can be interpreted as an exact solution of Einstein's field equation, in which the only mass–energy present in the spacetime is due to some…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}