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Percentage of the speed of light



PSL is an abbreviation for percent of the speed of light, e.g.: ships moving at 0.15c would be said to be moving at 15 PSL. "c" is the speed of light, as described in the famous equation e=mc^2.

The designation is often used in science fiction, representing both sublight travel, and faster than light travel.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Percentage_of_the_speed_of_light". A list of authors is available in Wikipedia.
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