Earth Science

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