; 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
; FTL: faster than light.
; FTL drive: the drive that enables ships to cross interstellar distances fast than light would (so in a relatively short time)
; Robot: A robot is an electro-mechanical device or group of devices that can perform autonomous or preprogrammed tasks unaided by human intervention. C-3PO and R2-D2 are examples of robots.
; Android: An android is a robot made to resemble a human, usually both in appearance and behavior. Data from Star Trek is an example of an android.
; 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.
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