Across
- 3. sun centered
- 7. a body that orbits a planet
- 10. caused by a combination of earth's rotatation, and its revolution around the sun
- 11. a cold mixture of dust and ice that develops a long trail of light as it approaches the sun
- 12. a giant ball of superheated gas, or plasma, composed of hydrogen and helium
- 14. greek word for sun
Down
- 1. a cluster of stars that people imagine represent a figure, animal, or object
- 2. comes from the greek word meaning wanderer
- 4. greek word for center
- 5. the study of space
- 6. an object that orbits around the sun
- 8. a streak of light produced when a small piece of rock or ice burns up as it enters Earth's atmosphere burns up
- 9. earth centered
- 13. greek word for Earth