Question

$what do you mean by light year$
​

Answer 1

Answer:

the distance travelled by light in a year is called light year

it is used to calculate distance between heavenly bodies

please mark as brainliest

Answer 2

$\huge\boxed{\underline{\mathcal{\red{H}\purple{E}\orange{L}\pink{l}\green{O}}}}$

A light year is a unit of distance.It is the distance that light can travel in one year. Light moves at a velocity of about 300000 kilometres (km) each second.So ,in one year, it can travel about 10 trillion km.