Spacetime metric
= Spacetime metric
{title2=$g_{\mu\nu}$}
A spacetime metric is the <Lorentzian metric> on a <spacetime>. It determines <proper time> along timelike paths and the null directions that describe local light propagation.
= Spacetime metric
{title2=$g_{\mu\nu}$}
A spacetime metric is the <Lorentzian metric> on a <spacetime>. It determines <proper time> along timelike paths and the null directions that describe local light propagation.