Question

give reason of distance between stars is expressed in light years​

Answer 1

Answer:

Stars are millions of kilometres away from the earth & giving their distances in the kilometres unit becomes very inconvenient. Light-year is a large unit and equals the distance travelled by light in one year. Hence, the large distances are expressed in light-years

Answer 2

Answer:

Stars are millions of kilometres away from the earth & giving their distances in the kilometres unit becomes very inconvenient. Light-year is a large unit and equals the distance travelled by light in one year. Hence, the large distances are expressed in light-years.