1. Comets By Trace January, 2010

2. Comets are huge objects in space that are made of ice and dust.

3. They move around the sun in an oval path.

4. Scientists learned about them when five space rockets flew past a comet.

5. Their tail is 100 million miles and its nucleus is 9 miles.

6. Halley’s Comet passes by us every 76 years.

7. Its front is like a dirty snow ball.

8. They can have one or two tails.