pyq/2011/prelims/86

What is the difference between asteroids and comets?

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by a rocky and metallic material.

2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and mercury.

3. Comets show a perceptible glowing tail, while asteroids do not.

Which of the statements given above is/are correct?

(A) 1 and 2 only.

(B) 1 and 3 only.

(C) 3 only.

(D) 1,2 and 3.