Solar System

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Across
  1. 1. Made up of icy dust particles and frozen gases, they look like bright balls with long tails
  2. 3. Number of planets known to orbit our sun in our solar system
  3. 5. Made up of the hydrosphere, lithosphere and the atmosphere - where all life exists
  4. 6. Small, round bodies that orbit the sun but are too small to be considered planets
  5. 9. Ocean with the deepest known depression on earth
  6. 10. Largest of the inner planets in the Solar System
Down
  1. 2. Number of continents on Earth
  2. 4. Small, planet like objects found mainly between Mars and Jupiter
  3. 7. Continent where both the highest point on earth and lowest land point can be found
  4. 8. Gas that composes 78% of the Earth's atmosphere