P.S.L.: Revision history

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2 March 2020

27 December 2018

24 October 2016

  • curprev 23:2623:26, 24 October 2016‎ CourseDirector talk contribs‎ 1,465 bytes +1,465‎ Created page with 'Percent Speed of Light. A commonly-used measurement of star ship velocity. However, most ships are not rated by their top speed(generally no higher than around 70 P.S.L.) but by…'
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