Space Rocks

2. A ball of steam and dust coming from and surrounding a comet.
3. A comet that orbits the sun every 200 years or less is called a _____ comet (no space).
6. A large ball of ice mixed with rocks and dirt, having a long luminous tail when its orbit passes close to the sun.
10. A particular comet that occurs every 76 years, named after the man who discovered it by studying ancient records.
11. A comet that orbits the sun every 201 years or more is called a _____ comet (no space).
13. The space between Mars and Jupiter where millions of asteroids orbit the sun (no space).
14. Large rocks orbiting the sun in space (ranging in size from several feet long to larger than a football field).
15. The center of a comet, made up of ice and a large rock in the interior.

1. Dirt and small rocks or pebbles floating in space that becomes meteors when they enter the Earth's atmosphere.
4. These are the planets that are found between the sun and the asteroid belt (no space).
5. A _____ occurs when the Earth crosses the orbit of a comet, causing the leftover dust and debris to enter our atmosphere, resulting in a large number of shooting stars (no space).
7. The first NASA spacecraft designed to study a comet.
8. The meteor shower that occurs every August.
9. Meteors that have entered the Earth's atmosphere and fallen to the ground without completely burning up.
12. The _____ are all the gaseous planets located outside the asteroid belt (no space).