Q1 of 12 Page 7

What is the Universe?

A galaxy is a huge system of billions of stars, and clouds of dust and gases. Millions of such galaxies make up the universe.


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1

Why is the Earth called a unique planet?

 1

Why do we see only one side of the moon always?

 2

The planet known as the “Earth’s Twin” is

 2

Which is the third nearest planet to the sun?