universe

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Across
  1. 6. The blue planet.
  2. 7. A machine sent into space that moves around Earth, the Moon, or another planet.
  3. 9. The planet with a ring system around it.
  4. 10. The eighth planet from the Sun.
  5. 11. An object in space, such as a moon, that moves around a larger planet.
Down
  1. 1. A group of stars that forms a particular shape.
  2. 2. The hottest planet in the Solar System.
  3. 3. An icy object with a long bright tail.
  4. 4. Also called a shooting star, it is a space rock that burns as it enters Earth’s atmosphere.
  5. 5. A large ball of burning gas that produces light and heat.
  6. 8. The layer of gases that surrounds Earth.