Question

8. Light year is measure of
(a)very large timescales
(c) very small timescales
(b)very large distances
(d) very small distances​

Answer 1

✬ ANSWER ✬

➟ Light year is measure of very large distances.

• Option ( B ) is correct.

________________________

• Light year is used to express astronomical distances.

• We use light year to describe the distance of space objects like planets , stars , black holes etc.

• It can be defined as the distance travelled by light in one year.

• Total distance which comes under a light year is 5.88 trillion miles ( 9.46 trillion kilometres ) .

• Our Milky Way galaxy is over 100,000 light years across.

Answer 2

A N S W E R :

Very large distances (A)

F A C T S :

No people had gone to 1 light year

One light year = 236 million time the earth surface

It is the speed of light in 1 year.

Light travels $3 \times 10^{8}$ in  a second

Speed of light is the fastest in our universe.