light year
UNIT OF LENGTH USED TO EXPRESS ASTRONOMICAL DISTANCES, DEFINED AS THE DISTANCE THAT LIGHT TRAVELS IN A VACUUM IN ONE YEAR
Light-years; Light-Year; Light years; Lightyears; Light-month; Light Year; Light month; Mly; Light year; Lightyear; Gigalight-year; Megalight-year; Kilolight-year
(n.) = año luz
Ex: In principle a spaceship could travel eight light years in ten earth years.