Question

what do you mean by a light year

Answer 1

a unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 1012 km.

Answer 2

hey bestie here is Ur valuable answer....
light year means it is the distance travelled by the light in one year
light year=9.46*10 rise to 15 m
hope it will help you
please mark it as a brainliest