terms used in the encyclopedia

It is now known that many units of measurement that have been in existence since the pre-hyperspatial era are associated with the astronomical movements of Earth and Sol in the Sirius sector.

Astronomical Unit (AU) | |||

Galactic Standard Day (GSD) | An arbitrary length of team equal to 2?.??? hours | parsec | The distance at which the radius of the Earth's orbit subtends an angle of 1 second or arc. 3.258 lt. yrs |

Galactic Standard Year (GSY) | An arbitrary length of time equal to 365.??? GSDs | ||

light year (lt. yr.) | Distance traveled by light in 1GSY. Equal to | ||

speed of light | 3 x 10^{8} ms^{-1} |
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Galactic Rotational Year (GRY) | Time for the Galaxy to complete one revolution. (approx. 250,000,000 years) | ||