Solar System Crossword

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Across
  1. 3. It's known as the "9th" planet, but is really a dwarf planet that co-exist with multiple other dwarf planets.
  2. 4. It rotates at an almost 90 degree angle from its plane of orbit.
  3. 6. The biggest planet in our solar system that has a big red spot bigger than Earth.
  4. 8. The smallest planet and the closest to the Sun.
Down
  1. 1. The only planet in our solar system with a ring.
  2. 2. The hottest planet, and it rotates opposite from most planets.
  3. 5. It's the 8th planet from the Sun, and it's known as Poseidon the Greek.
  4. 7. The only planet that currently have life on it. The surface consist mostly of water.
  5. 8. There is a NASA machine put on the planet, and is the only planet other than earth that might have a chance to sustain life.