Space Unit

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Across
  1. 2. a body of charged gas that emits energy
  2. 5. the day of the year when day and night are the same
  3. 6. a meteroid that enters earths atmosphere and burns up
  4. 7. a smaller recognizable part of a constellation
  5. 8. everything that physically exists
  6. 9. measure of horizontal position
  7. 11. a path along which an object travels in space
  8. 14. when an object blocks out another object
  9. 15. a body that orbits one or more stars
  10. 16. the study of objects in space
Down
  1. 1. any object that orbits a planet
  2. 3. a rock that orbits the sun
  3. 4. a group of stars that resemble a form
  4. 7. measure of vertical position
  5. 10. an object of ice and dust that orbits the sun
  6. 12. a collection of stars held together by gravity
  7. 13. a cloud of gas and dust in space