Show off your stellar puzzle skills and get a pair of eclipse glasses!

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Across
  1. 1. regions of the sun's photosphere that appear darker
  2. 4. alignment of any three celestial bodies
  3. 6. the weak or pale part of the Moon's shadow
  4. 7. the fraction of the Sun’s diameter occulted by the Moon
  5. 9. phase of the moon when it is more than half illuminated
  6. 10. point in an object's orbit farthest from Earth
Down
  1. 2. when the moon completely covers the solar disk with only the corona visible
  2. 3. point along the Moon's orbit that is closest to Earth
  3. 4. eclipse cycle lasting 18 years,11.3 days
  4. 5. can be damaged by viewing eclipses without protection
  5. 8. shell of thin gas visible during eclipse totality