Across
- 6. third planet from the sun
- 7. dwarf The presumed final stage of a white dwarf
- 8. Way Galaxy The galaxy that contains our Solar System
- 12. A scientist who studies the stars and other object in the sky
- 13. A number representing the apparent brightness of a celestial body
- 14. Motion Stars are always constantly moving even though they seem to either be still or move because of Earth’s motion
- 15. year The distance that light travels in one year
Down
- 1. a round pit on the moon’s surface
- 2. hole An object in space whose gravity is so stong not even light can escape
- 3. Smallest planet, closest to the sun
- 4. Largest Planet, 5th planet from the sun
- 5. The partial or total blocking of one object by another
- 9. star A very large star, much larger than the sun
- 10. A natural object that orbits a planet
- 11. The understanding of the nature of the universe