Across
- 2. - A being from another planet
- 3. - Giant planet with beautiful rings
- 4. - Energy sent in rays or waves
- 9. - The area beyond Earth's atmosphere
- 10. - To stay alive
- 11. - To look carefully for something
- 12. - Hottest planet with thick toxic clouds
- 13. - Able to think and understand
- 14. - The natural world around us
- 17. - The force that pulls objects down
- 18. - The usual weather in a place
- 20. - A living being or animal
- 21. - To find something new
- 23. - A tool to see far away objects
Down
- 1. - A large round object orbiting a star
- 5. - The layer of gases around Earth
- 6. - A small spacecraft sent to explore
- 7. - A person who studies science
- 8. - A special task or journey
- 10. - A sign or message sent
- 15. - Cold, farthest planet, blue ice giant
- 16. - To travel to learn about something
- 19. - A natural satellite of a planet
- 21. - Far away
- 22. - Closest planet to the Sun, very hot and cratered
- 24. - The path one object takes around another