Question

Define light years and also explain it's terms of the intersellar clouds

Answer 1

distance traveled by light or time taken by light to reach earth from star or vice versa is known as light year.if it is not disturbed by clouds.

Answer 2

HELLO DEAR FRIEND

Light year => The distance travelled by light in one year is called light year.

1 Light year = $\large \it \bf \underline \blue{9.461 \times {10}^{15}KM }$

HOPE IT HELPS YOU DEAR FRIEND THANKS