Question

Define light year and express it in km.​

Answer 1

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012 km) or 5.88 trillion miles (5.88×1012 mi)

hope it helps .

Answer 2

Answer:

the light -year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres (9.46×1012km) or 5.88 trillion miles (5.88×1012mi)

Explanation:

hope it helps u mate