The concept of "radar distance" for illustrated in the Rindler chart d s 2 = − x 2 d t 2 + d x 2 + d y 2 + d z 2 , 0 < x < ∞ , − ∞ < t , y , z < ∞ {\displaystyle...
may lie in the distance ρ (and not the time τ) estimates for a given non-local event, with the radar-time estimate of an event's distance being smaller...
