are metallic, rocky bodies without atmospheres that orbit
-Too small to be classified as planets.
-Known as "minor planets."
-It is estimated that the total mass of all asteroids would
comprise a body approximately 930 miles in diameter. (less
than half the size of the Moon)
-It was created over 4.6 billion years ago.
-There are more then 100,000 asteroids in the belt between
Mars and Jupiter.
-The biggest and most well known asteroid is Ceres.
-Range in size from pebbles to 600 miles in diameter.
-The majority of asteroids fall into three categories: C-type,
S-type, and M-type.
-Many bodies havfe struck Earth and the Moon in the past.
-One widely accepted theory blames the impact of an asteroid
for the extinction of dinosaurs.