Mr. Spock witnessed the explosion of Vulcan (Event V) at spacetime co- ordinates (1.5 x 10² [m],2.5 x 10“ [m]) and the explosion of a supemova (Event S) at coordinates (1.8 x 10² [m] , 9.5 x 1013 [m]). What are the magnitudes of the spatial (Ar) and time (At) separation of V and S according to Mr. Spock?
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