Magnitude vs Spacelike - What's the difference?
magnitude | spacelike |
(uncountable, countable) The absolute or relative size, extent or importance of something.
(countable) An order of magnitude.
(mathematics) A number, assigned to something, such that it may be compared to others numerically
(mathematics) Of a vector, the norm, most commonly, the two-norm.
(astronomy) The apparent brightness of a star (on a negative, logarithmic scale); apparent magnitude
(seismology) A measure of the energy released by an earthquake (e.g. on the Richter scale).
having the properties of space
lying outside each other's light cone, so that no information can pass from one to the other
having a space component of greater magnitude than its time component multiplied by the speed of light
