G3, p.212

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Across
  1. 1. the flat top part of it
  2. 4. system the sun and all the planets tharound round it
  3. 7. agree with them, and perhaps help them because you want them to succeed
  4. 8. how hot or cold it is
Down
  1. 2. scientific study of the stars, planets, and other natural objects in space
  2. 3. heat that it has or produces
  3. 5. how much there is, or how much you have, need, or get
  4. 6. ball-shaped object with a map of the world on it