Across
- 3. A person who is trained to travel and work in outer space.
- 4. An important task or job that a person or group is sent to do.
- 7. Tools, machines, and equipment created using scientific knowledge to help solve problems or do work.
Down
- 1. The fourth planet from the Sun in our solar system, often called the "Red Planet."
- 2. The curved path that an object in space takes as it travels around a planet or star.
- 5. A vehicle or machine designed to fly and operate in outer space.
- 6. act of traveling through an unfamiliar place to learn new things about it.