Lesson 1 - Vocabulary

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Across
  1. 4. can not live forever
  2. 5. foreign
  3. 7. rate of speed
  4. 9. calm
  5. 10. planets
Down
  1. 1. kind
  2. 2. group of stars
  3. 3. orbiting
  4. 6. relationships between countries
  5. 8. ghostlike