"To see stars fly by like in certain sci-fi series, she would have to travel much faster, on the order of light years per experienced ship second. This corresponds to the actual velocity of 0.9999999999999994c, or (1 - 6x10-16)c. At this extremely high ultra-relativistic velocity, radiation from the universe would emanate from a single point in the direction of travel, and all radiation, even the cosmic background, would be Doppler shifted out to gamma ray wavelengths or far radio, with next to nothing in between."
http://www.xs4all.nl/%7Ejohanw/PhysFAQ/Relativity/SR/Spaceship/spaceship.html
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