Unit 7: Extra Credit Crossword

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Across
  1. 2. a group of stars that seems to form a picture or design in the night sky.
  2. 5. the study of objects in space and their properties.
  3. 7. a nearly round body, slightly smaller than a planet, whose orbit crosses the orbit of another body.
  4. 8. an event during a new moon where the shadow of the moon falls on Earth, blocking the sun’s light.
  5. 10. a star and all the planets and other bodies that revolve around it.
  6. 12. the imaginary line around which Earth rotates.
  7. 15. a large body that revolves around a star.
  8. 16. to turn about an axis.
  9. 17. an event during a full moon where the shadow of Earth falls on the moon, causing the moon to darken.
Down
  1. 1. everything that exists, including galaxies and everything in them.
  2. 3. a group of billions of stars, objects that orbit those stars, gas, and dust.
  3. 4. a change in the appearance of the moon’s shape as it orbits Earth.
  4. 6. a chunk of frozen gases, rock, ice, and dust orbiting the sun.
  5. 9. a chunk of rock or iron less than 1,000 kilometers (621 miles) in diameter that orbits the sun.
  6. 11. the path of one object in space around another object.
  7. 13. a huge ball of very hot, glowing gasses in space that produces its own light and heat.
  8. 14. to go around, or orbit, another object.