Across
- 2. Hubble proved the universe to lager the we thought
- 3. what all life is made of.
- 8. Copernicus heliocentric theory
- 9. After a supernava a ...... ...... forms
- 10. source of all life in our galaxy.
- 11. the father of modern observational astronomy
- 12. perfect conditions for big bang.
- 13. Ptolemy geocentric veiw
- 14. Levitt discovered distance from stars
Down
- 1. first elements of the periodic table
- 4. discovered 3 laws of motion
- 5. how old is the universe
- 6. first living lifeform.
- 7. south pacific island.