Term

Original form

Schwarzschild radius

$R_s=\frac{2G_{0}M}{c_0^2}$

Gravitational redshift

$\frac{\Delta f}{f}=\frac{g_{0}h}{c_0^2}$

Precession of Mercury’s perihelion

$\Delta \theta =\frac{6\pi G_{0}M}{a_0{c}_0^2\left(1-{\epsilon }^2\right)}$

Vacuum impedance

$Z_0=1/{\epsilon }_0{c}_0$