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