| A | B |
|---|
| Shooting stars | meteors |
| train | lighted trail behind fireball |
| sporadic | meteors coming from random directions |
| Leonid | shower meteor from constellation Leo |
| meteorites | survive fall and make it to earth |
| Hoba West | largest meteorite found |
| stones | most common meteorite found |
| Ahnighito | brought to NYC by Adm. Peary |
| Barringer | most famous crater - Arizona |
| Manicouagan | largest crater - Quebec |
| Siberian Explosion | comet struck earth |
| minor planets | asteroids |
| Ceres | largest asteroid |
| Apollo | asteroid family near earth |
| Trojan | asteroid family near Jupiter |
| Eros | Apollo asteroid - tumbles |
| Hermes | asteroid came closest earth |
| Icarus | asteroid came closest to sun |
| nucleus | most of material in comet is here |
| Type I tail | mainly gas, straight line |
