Universe

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Across
  1. 1. An object that revolves around a planet
  2. 3. Everything
  3. 6. A huge collection of stars, gas and planets
  4. 8. The hugest planet in the solar system
  5. 9. It is called the blue planet
Down
  1. 1. Known as the "Red planet"
  2. 2. An enormous cloud of gas and dust
  3. 4. The hottest planet in the solar system
  4. 5. Most abundant element in space
  5. 7. A rocky substance that orbits the sun