The period of one revolution of sun around the centre of galaxy is called:
Which of the following is the largest of the inner planets?
In 1610, Galileo Galilei discovered four moons of which planet?
The planet Mercury is diffcult to be observed most of the time because:
The altitudes of a heavenly bodies appear to be greater then they actually are. This is due to:
The planet having thirteen moons is :
In order of their distance from the Sun, which of the following planets lie between Mars and Uranus?
Consider the following astral bodies: (1) Sirius (2) Venus (3) Mars The correct sequence in decreasing order of their brightness is :
Parsec' is the unit of measurement of:
The same side of the moon always faces the Earth because:
Which of the planets is nearest to the earth?
The correct sequence of planets in the desending order of their equatorial diameter is :
-
-
-
-
Which of the following planets is known as 'Morning Star'?
Which one of the following planest takes the same number of days for rotation and revlution?
The exact time taken by the earth for single rotation on its own axis is:
Which planet is known as the Earth's Twin?
Which of the following planest of the solar system has the longest day?
The light coming from stars the idea of their:
One which of the following planets of the solar system does the sun rise in the west and set in the east?
Which planet looks reddish in the night sky?
Which of the following is the brightest planet?
Which two planets of the solar systme have no satellites?
Which planet is known as the 'Watery Planet' ?
Which planet of the solar system spins on its axis at the fastest rate ?
The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of: