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