Question

which statement accurately describes a light - year? it is the shape of a galaxy. it is the distance that light travels in a year. it is a yearly measurement of light given off by stars. it is the amount of time it takes light to travel one million kilometers.

Explanation:

A light - year is defined as the distance that light travels in a vacuum in one year. It is a unit of distance used in astronomy to measure large cosmic distances.

Answer:

It is the distance that light travels in a year.