Re: traveling at the speed of light
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For example, I could get in a spaceship to go to Alpha Centauri (which is a little over 4 light years from us), fly at very near the speed of light, and it would only seem like a few second trip.
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it would take you 4 years to get there.
IIRC to reach the speed of light, your mass must become infinite. That is just impossible to comprehend.
to the OP, you should read Mr tompkins (sp?) in wonderland. It describes time, speed and relativity in a childrens book style. Its quite good for non-scientists like us.
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