Question

What is light year ...​

Answer 1

Answer:

Hello mate ♥

The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres or 5.88 trillion miles. As defined by the International Astronomical Union, a light-year is the distance that light travels in vacuum in one Julian year.

Answer 2

A light year can be defined as a unit of astronomical distance that light travels in one year , which is 9.4607 x 10 ^12 km which is nearly / approximately 6 million miles