Changes

__TOC__

; LY, light year: The distance traveled by light in one Earth year. Light travels at 300,000 km/sec, so a light year is [1 light year = 9.4605284 × 1015 meters]. One light second - 300,000 km or the distance light travels in one second

; Cyborg: Stands for a CYBernetic ORGanism. In essence a creature that is part organic and part mechanical, computerized, etcetera. The Terminator is an example of a cyborg, for it is a mechanical body covered with organic skin and flesh.

Common elements in SF books/movies/tv shows/etc: