Relier Pairs Mystery Writing Glossary AsteroidsVersion en ligne vocab par Denise Kesel 1 diameter 2 collision 3 atmosphere 4 impact 5 orbit 6 deflect 7 asteroid 8 meteor 9 velocity a small object from space that enters the Earth's atmosphere. They often appear as glowing streaks in the sky or "Shooting Stars" air that surrounds a planet to cause an object to change direction after hitting something one object hitting into another object the distance across an object the force of one thing hitting another a rocky object in outer space circling another object, like the Moon around the Earth speed