Across
- 2. a big, round rock that orbits Earth.
- 3. a vehicle designed for travel beyond Earth's atmosphere.
- 5. a tool that helps us see things that are far away.
- 6. something that causes fear, anxiety, or a sense of danger.
- 7. a person trained to travel and work in space.
- 9. a creature from another planet or galaxy.
- 10. a small celestial body made of ice, dust, and rock that orbits the Sun.
Down
- 1. someone or something with the ability to learn, understand, and apply knowledge effectively.
- 4. something difficult to understand.
- 8. a big, glowing ball of hot gas in space.