Question

define lightyear.how many kilometers make 1 lightyear​

Answer 1

Answer:

Explain

a unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 1012 km (nearly 6 million million miles).

INFORMAL

a long distance or great amount.

"the new range puts them light years ahead of the competition"

Answer 2

Light year {unit of distance}

•Light year is the distance travelled by a light in a year in vaccum (or space).

•9.461 × 1012 kilometres

And see following image solution: