Explain orbits and trajectories.

Explanation should include

• how orbits work
• the different types of orbits
• purposes of orbits
• trajectories in space travel
• maneuvering in space
• navigational data.

Process/Skill Questions:

• How do objects stay in orbit?
• How are trajectories used in space travel?
• What are the purposes of orbits?
• What is an object called that is in orbit?