Space Vocabulary Topics 1+2

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