Question

One star is 3.4 light years away from the Earth. What does this mean?​

Answer 1

Answer:

a star is 3.4 light years from earth means

Explanation:

it will take light 3.4 years to go from earth to a star

light years are most used in astronomy as, a light year is  huge distance

Answer 2

Answer:

light years is a unit of measurement of distance

involving huge distance

Explanation:

lf one star is 3.4 light years away from the earth then distance between star and earth is 3.4*9.461×10^12