Explanation:

Q.1. Which of the following is NOT a member of the solar system.

(a) An asteriod(b) A sate�lite(c) A constellation(d) A cornet.Ans. (c) A constellation.

Q.2. Which of the following is NOT a planet of the sun?

(a) Sirius(b) Mercury(c) Saturn(d) Earth

Ans. (a) Sirius

Q.3. Phases of the moon occur because:

(a) We can see only that part of the moon which reflects light towards us.

(b) Our distance from the moon keeps CHANGING.

(c) the shadow of the Earth covers only a part of the moon�s surface.

(d) the thickness of the moon�s atmosphere is not constant.

Ans. (a) We can see only that part of the moon which reflects light towards us.

Q.4. Fill in the blanks:

(a) The planet which is farthest from the Sun is ________.

(b) The planet which appears reddish in colour is________.

(c) A group of stars that appear to form a pattern in the sky is known as a________.

(d) A CELESTIAL body that REVOLVES around a planet is known as________.

(e) SHOOTING stars are ACTUALLY not________.

(f) Asteroids are found between the orbits of ________ and ________.