Across
- 2. A person who travels in space
- 8. Childlike in behavior or appearance
- 10. To be able to pay for something
- 11. To shine brightly
- 12. A planet outside our solar system
- 14. The remains of an ancient organism
- 16. The act of finding something new
- 17. A long, narrow, cylindrical object
- 18. To give something for free
- 21. The outer layer of a celestial body
- 22. The state of being precious
- 24. A public notice or announcement
Down
- 1. The attention given to something
- 3. A person who studies the mind and behavior
- 4. Similar to Earth
- 5. An estimate of income and expenditure
- 6. A good effect or result
- 7. The degree of excellence of something
- 9. To keep safe from harm or loss
- 11. The bony framework of a body
- 13. Forever and ever
- 15. Something kept hidden
- 19. A scientist who studies fossils and ancient life
- 20. A person who studies human history and prehistory
- 23. A scientist who studies celestial objects