ESS
Grade-9
Easy
Question
What is Light Year?
- Year that is full of light.
- Year that is having light work.
- Year in which Earth will become lighter.
- It is the distance traveled by light in a year.
Hint:
Distances between stars and other heavenly body is measured in light years.
The correct answer is: It is the distance traveled by light in a year.
- A light year is the distance which light travels in a whole year.
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