SF and Literary Terms - A Glossariki!

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)