The unit of speed used in the game is "ups/h" which means "Micro Parsec per Hour" A parsec is 3.26 light years, and is the distance needed to get a stellar parallax of one second of arc. A millionth of that is about 1/5 the distance from the Earth to the Sun.

Contributed by Robert Sellers (4) on Jul 14, 2012. -- edit trivia