Eclipses

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Across
  1. 2. Keep from being seen, overshadow, block from view
  2. 4. An event in which the shadow of one celestial object falls on another celestial object
  3. 5. The bending of light as it passes through material
  4. 6. The lighter part, edge, of a shadow that surrounds the umbra
  5. 8. The angle of an object's orbit around a celestial body, the change in orbital plane
  6. 10. Eclipse when the whole of the disk of the sun or moon is obscured
  7. 12. Sun’s outer layer, visible only during a total solar eclipse, when it is seen as surrounding the darkened disk of the moon
Down
  1. 1. Eclipse when part of the sun or moon is obscured or darkened
  2. 3. Something that deceives the eye by appearing to be other than it is
  3. 7. Eclipse caused when light from the sun is blocked by the moon, and the moon’s shadow falls on Earth
  4. 9. Eclipse caused when the moon passes through Earth’s shadow
  5. 11. Darkness within space from which rays from a source of light are cut off by an blocking object