The stars appears to move from east to west because_______

Which planet is known as the 'Watery Planet' ?

Which of the following is indicated by the colour of a star?

Which of the following is called "Blue Planet"?

If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be

The frequency used in TV and radar system lies in

The radiant energy of the sun is transmitted in the form of _____

Rotational axis of which of the following planet is highly tilted?

How many constellations are in our Space?

How many constellations are in our Space?