Advanced Space-themed Crossword Puzzle
Listed Items
- 1. An unidentified flying object
- 2. It takes about 29 days to orbit Earth
- 3. The sum of all matter and energy
- 4. A time of the year when day and night are equal in length
- 5. A celestial object with a nucleus of dust and ice that orbits the sun
- 6. Expert in the study of the universe and its components
- 7. A transportation device used to reach outer space
- 8. A small, rocky object that travels around the sun
- 9. A large system of stars, dust, and gas held together by gravity
- 10. A tool to magnify far away objects
- 11. A building used to observe stars and planets
- 12. An individual who journeys through space
- 13. The branch of science that deals with the origin, evolution, and structure of the universe
- 13. A visitor from another planet
- 14. A space-time tunnel
- 15. A stroll in the vacuum of space
- 16. A star that suddenly increases in brightness and then fades away
- 17. A celestial body that gives off light and heat