Space Rocks

3. / the first NASA spacecraft designed to study a comet
6. / the center of a comet, made up of ice and a large rock in the interior
7. / these are the planets that are found between the sun and the asteroid belt
10. / a large ball of ice mixed with rocks and dirt, having a long luminous tail when its orbit passes close to the sun
12. / 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

1. / the meteor shower that occurs every August
2. / the ______ are all the gaseous planets located outside the asteroid belt
4. / a comet that orbits the sun every 201 years or more is called a ______________ comet
5. / large rocks orbiting the sun in space (ranging in size from several feet long to larger than a football field).
8. / the space between Mars and Jupiter where millions of asteroids orbit the sun (put a space between the two words)
9. / A comet that orbits the sun every 200 years or less is called a _________ comet
10. / a ball of steam and dust coming from and surrounding a comet
11. / meteors that have entered the earth's atmosphere and fallen to the ground without completely burning up
13. / a particular comet that occurs every 76 years, named after the man who discovered it by studying ancient records