THE SOLAR SYSTEM

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Across
  1. 1. This is the smallest planet in the solar system.
  2. 2. This is the biggest planet in the solar system.
  3. 4. This is the natural satellite of a planet.
  4. 5. This planet is called the red planet.
  5. 7. A scientist who works in space.
  6. 9. A giant sphere in space that moves in a stable orbit such as Earth, Mars, etc.
  7. 11. This is the planet where we are living.
Down
  1. 1. A rock that falls onto the Earth from space.
  2. 3. This is a big ball of ice and dust that move very fast in space.
  3. 6. This is the transport that carries people to space.
  4. 8. STATION This is the place where astronauts live in space.
  5. 10. This is a living creature from another planet.