Quote:
Originally Posted by Fish
That's not necessarily true, since we don't have proper physics to explain things happening at the speed of light. It's not possible to form a frame of reference for a photon. It has no detectable mass, and is traveling faster than c. We can't apply special relativity to a photon for those reasons. Our physics aren't complete enough yet. It might be better to say that at the speed of light, time in unable to yet be defined.
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OK. But the faster the relative velocity, the greater the magnitude of time dilation. And obviously our physics aren't complete, or we wouldn't be speculating about how an alien in a ship might cross the vastness of space.
And if we are talking about aliens in a ship instead of light photons, 100,000 years may have passed on the planet zebu, but said aliens in ship might have only experienced a few minutes.