Across
- 3. what's at the center of the universe?
- 8. developed the model of the heliocentric universe
- 12. the idea that the days referenced in Genesis are not 24 hour days
- 14. earth centered universe
- 15. Law of Universal Gravitation says smaller objects orbit more ___ objects
- 17. the name of our galaxy
- 21. how we "see" black holes
- 30. when the gravitational fields of two galaxies interact
- 31. a type of galaxy
- 33. the idea that the universe was created in six literal days
Down
- 1. developed the Law of Universal Gravitation
- 2. developed the model of the geocentric universe
- 4. the idea that a gap of time lies between Genesis 1:1 and Genesis 1:2
- 5. what's created when a star dies
- 6. what's at the center of a heliocentric universe
- 7. what type of galaxy is the Milky Way?
- 9. built and used telescopes
- 10. used Kepler's laws to mathematically prove a heliocentric universe
- 11. discovered in 1923 by Edwin Hubble
- 13. the study of the physical universe
- 16. used telescopes to prove a heliocentric universe
- 18. a type of galaxy
- 19. matter that has mass, but cannot be seen or detected
- 20. these stars collapse to form black holes
- 22. idea that the universe was once hotter and denser than it is now
- 23. observed and measured our closest neighboring galaxy
- 24. matter that has the same size and mass, but opposite electric charge
- 25. combined earth centered and sun centered universe
- 26. Pluto is a ___ planet
- 27. Modern astronomy comes with the invention of the ___
- 28. what's at the center of the Milky Way?
- 29. said we had a heliocentric universe, but not in circular orbits
- 32. all stars begin as this