Which of the following is NOT a planet of the sun?

(a) Sirius

(b) Mercury

(c) Saturn

(d) Earth

Which of the following is NOT a member of the solar system?

(a) An asteroid

(b) A satellite

(c) A constellation

(d) A comet

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.

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 a ___________.

(e) Shooting stars are actually not ___________.

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

Mark the following statement as true (T) or false (F).

(a) Pole star is a member of the solar system. ( )

(b) Mercury is the smallest planet of the solar system. ( )

(c) Uranus is the farthest planet in the solar system. ( )

(d) INSAT is an artificial satellite. ( )

(e) There are nine planets in the solar system. ( )

(f) Constellation Orion can be seen only with a telescope. ( )