Asteroids

Shyanne A.

What are Asteroids?

Asteroids are either small or large chunks of rocks that orbit the sun..... They are also known as planetoids.
Big image

Facts about Asteroids

Scientist found more than 90,000 asteroids around the solar system.

When Earth formed around 4.5 billion years ago, Asteroids hit into the planet.

Most asteroids are potentally hazardous.

As asteriods go around the sun, they rotate.

On February, 15, 2013, an asteroid hit by Chelyabinsk, which caused a shock wave that injured around 1,200 people.

Big image

Types of Asteroids

There is a C type of asteroids that are more than 75% of asteroids


There is an S type, which is 17% of known asteroids


And there is a M type, which is many of the rest of asteroids

NASA's video about ASTEROIDS

Sources

"Asteroids and Comets, Asteroids and Comets Information, Facts, News, Photos -- National Geographic." National Geographic. N.p., n.d. Web. 11 Nov. 2014.

"Asteroids: Formation, Discovery and Exploration." Space.com. N.p., n.d. Web. 09 Nov. 2014.

Nardo, Don. Asteroids and Comets. Greensboro, NC: Morgan Reynolds Pub., 2010. Print.

"NASA's Video about ASTEROIDS." YouTube. YouTube, n.d. Web. 11 Nov. 2014.