POSTIES 0108 COVER

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Across
  1. 1. the planet that we live on
  2. 2. another word for "dangerous"
  3. 4. a large object in space that moves around a star
Down
  1. 1. a test, especially a scientific one, that you do to learn something or discover if something is true
  2. 3. the area outside Earth’s atmosphere where all the other planets and stars are
  3. 5. a person whose job involves travelling and working in a spacecraft