Q13 of 16 Page 236

Do all the stars in the sky move? Explain.

No, Stars do not move in the sky. They actually appear to move from east to west due to rotation of earth on its axis from west to east.


More from this chapter

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11

Name two objects other than planets which are members of the solar system.

 12

Explain how you can locate the Pole Star with the help of Ursa Major.

 14

Why is the distance between stars expressed in light years? What do you understand by the statement that a star is eight light years away from the Earth?

 15

The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accommodate?