Advertisements
Advertisements
Question
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
Advertisements
Solution
The unit adopted for measuring the distances in the universe is the light year. The reason for the choice of this unit is that a kilometer is too short a unit to measure the distances between one heavenly body and another in space.
RELATED QUESTIONS
Fill in the blank:
Eratosthenes worked out the circumference of the earth to be _______ km.
Which planet has the largest number of satellites?
Distinguish between the following pair.
Periodical and Non-periodical comets
What makes the Sun so hot?
Give reasons for the following:
No life is possible on Saturn.
Why is Neptune the coldest planet of the Solar System?
What is the size of the Earth?
In the picture below, correct the sequence of the planets from the sun.

What are the effects of rotation and revolution?
Consider the following statements.
- The earth is the third planet in the solar system
- The Sun is made up of hot gases like Hydrogen and Nitrogen
- Mercury has no natural satellites
Choose the correct answer using the options given below
