Sun-Earth-Moon

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Across
  1. 3. a telescope that uses a mirror to gather and focus light from a distant object
  2. 4. a telescope that uses lenses to bring visible light to a focus where an image can be seen by an observer
  3. 8. occurs when the Moon passes directly between the Sun and Earth
  4. 11. the plane of Earth’s orbit
  5. 13. occurs when the Moon passes through Earth’s shadow
  6. 14. the process of linking several telescopes together so they can function as one telescope
Down
  1. 1. the Sun overhead is at its farthest distance
  2. 2. electromagnetic radiation aligned according to wavelength and frequency
  3. 5. crater that forms when an object from space crashes into an astronomical body
  4. 6. point in Moon’s orbit closest to Earth
  5. 7. point in Moon’s orbit farthest from Earth
  6. 9. Earth’s axis is perpendicular to the Sun’s rays and at noon the Sun is directly overhead at the equator
  7. 10. mountainous regions of the Moon
  8. 12. structures that resemble valleys regolith loose, ground up rock on the surface of the Moon
  9. 15. long trails of ejecta
  10. 16. material that blasted out of the Moon’s surface and fell back to the surface