Solar System Vocabulary Puzzle

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Across
  1. 8. The study of object in space and their properties
  2. 11. Patterns of stars in the night sky (like Orion)
  3. 12. The path of an celestial object around another celestial object (Earth's path around the Sun)
  4. 13. A chunk of rock for space that enter the Earth's atmosphere
  5. 14. to move in a circle around an axis
  6. 16. A chunk of rock or iron less than 1000 km in diameter that orbits the sun
  7. 17. A star, the planets, and all other objects that revolve around it (2 words)
Down
  1. 1. a single journey along an orbital path
  2. 2. A large, round body that revolves around a star (Earth is an example)
  3. 3. Everything that exists, including galaxies and everything in them
  4. 4. A layer of gases surrounding a planet, star, or moon
  5. 5. The force that pulls all objects toward each other
  6. 6. A large body that orbits a planet
  7. 7. An imaginary line around which a body rotates (Earth rotates on its ______)
  8. 9. a meteor that doesn't burn up in Earth's atmosphere & lands on the ground
  9. 10. A chunk of frozen gases, rock, ice, and dust orbiting the Sun
  10. 11. a hole in the ground caused by the impact of an object from space
  11. 15. A group of billions of stars & the objects that orbit those stars (Milky Way is an example)
  12. 17. A huge ball of very hot, glowing gases in space that produces its own light and heat