Crossword Time

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Across
  1. 4. A massive system of stars.
  2. 6. A violent, rotating storm.
  3. 7. Sun or moon temporarily hidden.
  4. 8. Related to water.
  5. 9. A slow-moving mass of ice.
Down
  1. 1. musical composition for orchestra.
  2. 2. A fertile spot in a desert.
  3. 3. Sound reflected back to the listener.
  4. 5. An optical illusion in the desert.
  5. 8. Something old and valuable.