Across
- 4. white halo around the sun
- 6. is an oval shape which may be elongated or nearly
- 9. Copernicus further developed the heliocentric model
- 10. is a region of very tightly packed
Down
- 1. is the outer most layer of the sun interior
- 2. hydrogen
- 3. earth is at the center of the revolving planets and stars
- 5. consists of the core the radiation zone and the convectionzone
- 7. was able to work out the arrangement of the know planets and how they move around the sun
- 8. a scientists and he found planet