Stars and the S...

In an artificial satellite, the use of a pendulum watch is discarded, because :

Consider the following statements regarding asteroids:
1. Asteroids are rocky debris of varying size orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between the orbits of Jupiter and Saturn 

To a person on the moon, the sky appears

The group of small pieces of rock revolving round the sun between the orbits of Mars and Jupiter are called  

Which of the following is the brightest heavenly body in the evening/night sky

What is known as the transit of planet Venus?

The group of small pieces of rocks revolving around the sun between the orbits of Mars and Jupiter are called:

How much of the total surface area of the Moon is never visible from the Earth?

The tail of a comet is directed away from the sun because 

Consider the following statements regarding asteroids:
1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large 1000 km.
3. The orbit of asteroids lies between orbits of Jupiter and Saturn.
Which of the statements given above are correct?