There are about _________ stars in our galaxy.

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There are about billion stars in our galaxy.

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Chapter 19 Life Cycle of Stars
Exercises | Q 1. d. | Page 106

Do all the stars in the sky move? Explain.

What is meant by 'The sun enters a nakshatra'?

Which of the following figures depicts the position of pole star correctly?

In the given figure out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.

All planets except mercury in our solar system have Moons.

Name the star that appears to be stationary in the night sky.

Do stars emit light only during the night?

What is a star? What is its composition and how was it formed?

Stars also appear to be in different colors depending on their composition of Gases.

Briefly explain