Super blue blood moon

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Across
  1. 2. The main body of the shadow.
  2. 5. A lunar eclipse is when the ______'s shadow blocks the sun.
  3. 7. The Moon's orbit around Earth is _____________.
  4. 9. This word is derived from the word "Moon".
  5. 10. A supermoon occurs when the full moon occurs at the moon's _________ (the closest point of the moon's orbit closest to Earth)
  6. 12. The event occurs only during a _______ moon.
  7. 13. “Blood moon" occurs during a lunar eclipse when faint red _____________ shines out from the edges of the moon.
  8. 15. “Once in a blue moon” refers to the instance when there is a full moon _______ in a calendar month.
  9. 16. During a year with blue moon, there are _________ lunations as compared to the usual twelve.
  10. 18. The blue moon can never occur in this month.
Down
  1. 1. The next blue moon in 2018 will occur in _______.
  2. 3. The current pole star.
  3. 4. The earth is ___________ the moon and the sun.
  4. 6. The furthest point of a moon on its orbit is called the ______________.
  5. 8. Earth's ___________________absorbs some colors while allowing others to pass through.
  6. 10. For an eclipse to occur, the moon, sun and Earth must be lined up along the same ________.
  7. 11. A blood moon is a moon formed during a __________eclipse.
  8. 14. This is called an eclipse season and occur about every _______ months and last for 34 days.
  9. 15. The pole star for the ancient Egyptians.
  10. 17. The next pole star.