Unit of length used to express astronomical distances, defined as the distance that light travels in a vacuum in one year.
Astronomical unit of length equal to the distance light travels in a vacuum in one year.
1Note that the Centauris are the only stars inside the five-light-year sphere.
2By your figuring, we shouldn't be yet one light-year on the way.
3A light-year measures distance in space and equals 6 trillion miles.
4That expedition perished after less than a light-year when its hydroponics system failed.
5Instead we use the light-year, which is the distance light travels in a year.
6A light-year is about 6 trillion miles, the distance light travels in a year.
7Just a light-year will suffice, the direction is not important.
8The noises from the freeway above and to my right seemed a light-year away.
9Our task was easy, because we were about half a light-year from the sun.
10Captain, we're a full light-year outside the Klingon Neutral Zone.
11The slim ultradrive ship dropped out of hyperspace half a light-year out from Ellezelin.
12One could imagine falling forty-two thousand miles, where one couldn't imagine falling a light-year.
13The desperate twenty-one light-year swallow had stretched Vermuden's energy loading capacity virtually to breaking point.
14Then it hopped another half light-year, and so on.
15It might as well have been a light-year away.
16You were about right for distance, and within a few tenths of a light-year laterally.
Translations for light-year