The outermost layer of the sun is called:

To a space traveler on moon, the lunar sky during day time appears:

The North Star is a part of the constellation:

The change in colours of stars arises due to:

The planet that has no satellite is:

The fastest rotating planet is Mercury and the fastest spinning planet is:

The orbits of planets around the sun, or of satellite around the earth can be:

Which of the following is brightest planet?

Planet nearest to the sun are:

The planet having 27 moons is:

A terrestrial planet is a planet of:

The distance between the earth and the sun in million kms is:

The hottest planet is:

Which one of the following planets takes the same number of days for rotation and revolution?

Lunar eclipse occurs on:

Jupiter is larger than the earth by about:

Halley's comet appears once in a period of:

The Saturn rings were discovered by:

Which planet is known as the Earth's Twin?

Which of the following is known as the "Red Planet"?

The position of a planet when it is nearest to the sun, is called

Comets revolved around:

Moon is called a satellite of the earth because

Which one of the following is not a satellite of Jupiter?

Tides are caused by the gravitational pull of the: