READING 1A: A MYSTERIOUS VISITOR

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Across
  1. 1. To travel through a place to learn about it
  2. 3. Something that is difficult or impossible to understand or explain
  3. 5. Unexpected or causing a feeling of wonder
  4. 9. The rate at which something moves
  5. 10. Scientists who study stars, planets, and the universe
  6. 11. Not the same as other
  7. 13. Not thick; having a small distance between two opposite sides
  8. 14. The Sun and all the planets that move around it
Down
  1. 2. Going by or moving past a location
  2. 4. The path that a moving object follows
  3. 6. To have become greater in size, amount, or degree
  4. 7. Occuring or situated between the stars
  5. 8. To strike a surface, like a door, to get attention
  6. 9. Unusual or difficult to understand
  7. 12. A word that means "perhaps" or "possibly"