Which of the following is not a planet?
(a) Mercury
(b) Saturn
(c) Mars
(d) Moon
The smallest planet of the solar system is:
(a) Earth
(b) Mars
(c) Mercury
(d) Saturn
The biggest planet of the solar system is:
(a) Mars
(d) Jupiter
Which of the following is NOT a planet of the sun?
(a) Sirius
(b) Mercury
(c) Saturn
(d) Earth