What are asteroids?
Small rocky bodies orbiting the sun
They are like minor planets
Asteroids are large number of small objects
They revolve around the sun
Asteroids can only be seen through large telescopes.
Example
Large number of asteroids are found between Mars and Jupiter
What are comets?
Comets also revolve around sun
They have highly elliptical orbit
They take number of years to complete one revolution
Example - Halley's comet, which appears after every 76 years
They have a bright head with a long tail
Size of tail increase as it approaches sun
Tail is always pointing away from sun
Questions
NCERT Question 4 (f) - Asteroids are found between the orbits of _________ and _________ .
NCERT Question 11 - Name two objects other than planets which are members of the solar system.
