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Chris Siragusa asked the Naked Scientists: Hi guys, love the show.I have a question about relativity and time. I understand that if you move faster, time slows for you. The example I always hear is that you can fly off in a spaceship at near light speed for what seems like an hour and return , 100 years may have passed on Earth. My question is this: when I am flying away at near light speed, doesn't it look to me like I am stationary and the Earth is flying away from me? Why do I slow down if, from my perspective, the Earth is the one moving and I am stationary?Thx,Chris in new York What do you think?
You are allowed to think that Earth is moving away from you during the flying away part of the trip. BUT then you are required to think that Earth is moving away from you also during the return trip. SO during the return trip you must be moving really fast.