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## Main Question or Discussion Point

I have thought about it and I have found to be confused about something, regarding the twin paradox. As I know it, the twin paradox (set up to emphasize my confusion) is as follows: Two spaceships floating in space pointing away from each other, lets say A and B. When B accelerates and approaches the speed of light (as observed by A), B's time is slowed down, and when B returns to A, B is younger than A.

My confusion is, if we make the "observer" to be B, then it is A that is approaching the speed of light, and when the two meet again, A should be younger than B. Why when analyzing the same scenario and just changing which ship is the observer changes which ship has gone further into time?

My confusion is, if we make the "observer" to be B, then it is A that is approaching the speed of light, and when the two meet again, A should be younger than B. Why when analyzing the same scenario and just changing which ship is the observer changes which ship has gone further into time?