Across
- 3. A collection of stars, dust, and gas bound together by gravity.
- 5. A tool used to observe distant objects in space.
- 8. The path one object takes around another in space.
- 9. The star at the center of our solar system.
Down
- 1. An astronaut's work area.
- 2. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
- 4. A vehicle designed for travel or operation in outer space.
- 6. A reusable spacecraft that transports people and cargo to and from space.
- 7. The natural satellite of Earth.