Re: is time orthogonal on which axe?



On Jan 29, 1:01 pm, "Mucho Grande" <rt5r3r8h...@xxxxxxxxx> wrote:
accortingg dimension definition, time should be orthogonal
either on x-axe, y-axe or z-axa

what is time t orthogonal on?

It need not be orthogonal - just linearly independent of x, y, z is
enough.

In special cases like Minkowski or Schwarzschild or Kruskal-Szekeres
coordinates the t-coordinate is orthogonal to both x and y and z.

--
Jan Bielawski

.