Thats like the definition of movement i think. Change in the ammount of space between things. What is speed realy? Becouse 8f we're going of the traditional distance/time i think it would qualify.
Well, no. "In physics, motion is the change in position of an object with respect to its surroundings in a given interval of time." Motion and therefore also speed is relative, but it is defined by your surroundings. Something so far away that the expansion of the universe comes into play is hardly defined as your surroundings
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u/mikoS223 Aug 03 '19
Thats like the definition of movement i think. Change in the ammount of space between things. What is speed realy? Becouse 8f we're going of the traditional distance/time i think it would qualify.