Space Vocabulary Topics 1+2

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Across
  1. 7. Set of axes of any kind that is used to describe all positions or motions of things
  2. 9. Another term for heliocentric
  3. 10. When a ray of light goes through an object and changes direction
  4. 12. The angle measured clockwise from north when measuring altitude-azimuth coordinates
  5. 13. Device used to measure the altitude of an object
  6. 14. Coordinates Locate a celestial body relative to a fixed Earth(as long as the celestial bodies are circling the Earth)
  7. 18. Lens through which you view a magnified object using a telescope
  8. 19. Device used to measure an objects azimuth
  9. 20. Celestial bodies in our solar system that orbit the sun
  10. 21. The angle measured above the horizon in degrees when measuring altitude-azimuth coordinates
Down
  1. 1. When a ray of light hits an object but doesn't go through it but still changes direction
  2. 2. Law that states all objects attract all other objects, explains the planets elliptical orbits
  3. 3. Model of the universe that has Earth in the centre with the Sun, Moon and planets around it
  4. 4. Large lens at the front of a telescope
  5. 5. All objects seen in the sky
  6. 6. Groupings of stars that form patterns
  7. 8. Another term for ocular lens
  8. 11. Determines the fineness of detail a telescope can produce of an object in view
  9. 15. Another term for geocentric
  10. 16. Model of the universe that has the Sun in the centre with the planets and moons around it
  11. 17. Figure that looks like a squashed circle