Space Crossword

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Across
  1. 1. this quantity, measured in kg is the same on all planets
  2. 5. the name give to everything we know of
  3. 6. One example of natural satellites are Saturn's _____.
  4. 7. Any planet outside our solar system
  5. 11. The only natural satellite to orbit Earth
  6. 12. Unit used to measure distances far larger than those easily measurable in metres.
Down
  1. 2. The nearest star
  2. 3. The name given to a satellite which orbits Earth in 24 hours and has an orbital height of 36,000km
  3. 4. this quantity, measured in Newtons, changed depending on the gravitational field strength on the planet you are on
  4. 8. This is the name of a well known dwarf planet in our solar system
  5. 9. The planet we live on
  6. 10. contains billions of stars