Vocab Unit 4 Week 4

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Across
  1. 4. different stages of the moon
  2. 6. a curve that is wider in the middle and tapered at the ends
  3. 8. a Greek philosopher who thought comets looked like stars with hair
  4. 9. a number of similar things coming one after another
Down
  1. 1. something that is exact or particular
  2. 2. rocky debris and fragments that enter Earth's atmosphere (shooting stars)
  3. 3. a thing often pointed piece that has been broken, cut or torn off
  4. 5. a person who studies the stars and planets
  5. 7. when something turns around on an axis