light minute

English

Noun

light minute (plural light minutes)

1. (astronomy, physics) A unit of length equal to the distance light travels in one minute.
   • 2015, "Mortynight Run", season 2, episode 2 of Rick and Morty

     [Rick and Morty are travelling in a spaceship]

     Rick: We got some business to attend to a few light minutes south of here.