Stars and planets, Ian Ridpath, by Josiah Taylor

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Across
  1. 3. A planet in the solar system also called the gas giant.
  2. 4. A system with multiple solar systems and a black hole at the center.
  3. 7. Any large heavenly body that orbits a star
  4. 8. relating to or determined by the sun.
  5. 9. the heavenly body in our solar system whose light makes our day time.
  6. 10. An agent that stimulates the ability to see
  7. 12. A big space rock that travels at fast speeds out of orbit.
Down
  1. 1. A planet in our solar system also know as Earth sister.
  2. 2. the angular distance of a point north or south of the celestial equator.
  3. 5. the apparent displacement or the difference in apparent direction of an object
  4. 6. A smaller body that orbits a planet
  5. 9. any of the heavenly bodies except planets which are visible at night.
  6. 11. way The system that earth is in.