Space Vocabulary Topics 1+2

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