Solar system

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Across
  1. 2. Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma
  2. 4. the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System.
  3. 8. the planet we live on
  4. 9. the fifth planet from the Sun and the largest in the Solar System.
Down
  1. 1. the second planet from the Sun, orbiting it every 224.7 Earth days. It has the longest rotation period of any planet in the Solar System and rotates in the opposite direction to most other planets. It has no natural satellite
  2. 3. the fourth planet from the Sun and the second-smallest planet is the Solar System, after Mercury.
  3. 5. the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet
  4. 6. the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius about nine times that of Earth.
  5. 7. the smallest and innermost planet in the Solar System. Its orbital period is less than any other planet in the Solar System. Seen from Earth, it appears to move around its orbit in about 116 days. It has no known natural satellites