Which of the following planets do not have satellite?
A). Mars and Venus
B). Mercury and Venus
C). Mars and Mercury
D). Neptune and Pluto
Which one of the following statements regarding Shooting Stars is incorrect ?
A). They are meteors
B). They are the debris which got separated from a comet
C). They emit light due to extremely high temperature caused by friction while they are passing through earth's atmosphere
D). They are a kind of a star
'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of ________
A). Uranus
B). Neptune
C). Saturn
D). Mars
Pole Star is always seen at one point in the sky whereas other stars are not; this is because ________
A). Pole star rotates with the same period as the earth
B). Pole star is a star of our own galaxy
C). Sun and Pole star are in two opposite directions relative to earth
D). Pole star lies in the axis of spin of the earth
Triton is the Moon of which planet?
A). Neptune
B). Uranus
C). Saturn
D). Venus