Space Exploration Vocabs

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Across
  1. 3. A model of the universe that places the sun at the center.
  2. 4. Another word for ocular lens.
  3. 5. The angle measured clock-wise from north when measuring altitude-azimuth co-ordinates.
  4. 7. Locate a celestial body relative to a fixed earth.
  5. 12. Another word that means the same as Sun-centered.
  6. 13. Determines the fineness of detail a telescope can produce of an object in view.
  7. 15. The change of direction of a ray of light, sound, heat passing from one medium to another.
  8. 17. A figure that looks like a squashed circle.
  9. 18. A device used to measure the altitude of an object.
  10. 19. The lens through which you view a magnified object using a telescope.
  11. 20. A device used to measure an objects azimuth.
Down
  1. 1. grouping of stars that from patterns like objects.
  2. 2. The large lens at the front of a telescope.
  3. 6. Set of axes that is used to describe the potions or motion of things.
  4. 8. Newton's law that states all objects attract all other objects.
  5. 9. A model of the universe that places earth at the center.
  6. 10. The angle measured above the horizon in degrees when measuring altitude-azimuth co-ordinates.
  7. 11. All objects see in the sky.
  8. 14. To cast back (heat, light, sound) from a surface.
  9. 16. Another word that has the same meaning as Earth-centered.
  10. 21. Celestial bodies in our solar system.