Across
- 5. Prolonged or vigorous questioning or investigation of ones religious beliefs started in Spain in 1478
- 10. The nature and properties of matter and energy
- 12. Optical instrument designed for studying distant objects
- 13. The process of improving an institution or practice
- 14. A completely empty space
- 17. The most advanced human social development
- 18. Millions or billions of stars with gas and dust held together by gravitational attraction
Down
- 1. To print a work of writing and sell it to the public
- 2. Oval shaped orbits
- 3. A force that attracts a smaller object to a larger entity
- 4. All existing matter and space
- 6. A person possessing highly developed knowledge and awareness
- 7. Cultural rebirth/reawakening of Europe
- 8. An exploding star
- 9. A building used for scientific study and equipment
- 11. A plan or idea developed by the mind.
- 12. An idea or set of idea intended to explain facts or events
- 15. Facts and statistics collected together to reference or analyze
- 16. A highly educated person that rigorously studies and publishes work