Picture of Asteroid 243 Ida taken by the space probe, Galileo
Picture of Asteroid 243 Ida taken by the space probe, Galileo
 
 
Drawing of the asteroid belt
Drawing of the asteroid belt
 
 
Asteroid 951 Gaspra
Asteroid 951 Gaspra
 
 
Asteroid 216 Kleopatra
Asteroid 216 Kleopatra
 
 
Asteroid 253 Mathilde
Asteroid 253 Mathilde
 
 
Space probe exploring the asteroid belt
Space probe exploring the asteroid belt
 
Asteroid
Topic(s):   Solar System

An asteroid is not round like a planet. It looks like a rock. It is made of a stone or metal. An asteroid can be as small as a baseball. It can be bigger than eight football fields put end to end!

An asteroid is found in an asteroid belt. An asteroid belt contains millions of asteroids of all sizes. Scientists think that the asteroid belt was made after a planet exploded millions of years ago. They think there was once a planet between Mars and Jupiter. Now all that is left is the asteroid belt.

Asteroids orbit the sun. Most asteroids are about 2,000,000 (two million) miles from the sun. It takes an asteroid four to five Earth years to orbit the sun.

The largest rock in the asteroid belt is Ceres. Ceres is now called a dwarf planet. Several space probes have taken samples from the asteroid belt. These samples help scientists learn more about our solar system.

Citation information

APA Style: Asteroid. (2014, January). Retrieved from Facts4Me at http://www.facts4me.com

MLA Style: "Asteroid." Facts4Me. Jan. 2014. http://www.facts4me.com.

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