Mars Crossword Puzzle 🧩

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Across
  1. 3. A wheeled vehicle that explores another planet with scientific instruments; scientists control it from earth
  2. 6. The collection of planets, their moons and smaller rocky objects that circle a star
  3. 9. A circular path around a star, moon or asteroid
  4. 11. Mars’ nickname
  5. 13. Scientists who study objects in space
  6. 14. A major mountain on mars
  7. 16. To find something new
Down
  1. 1. The sensation of floating in space
  2. 2. The invisible force that pulls objects toward each other
  3. 4. An imaginary line that a planet rotates around
  4. 5. A spacecraft with no one on board that gathers information in space and sends it back to Earth
  5. 7. An instrument you look through that makes objects in space appear nearer
  6. 8. A single-celled creature that is too small to be seen by the naked eye
  7. 10. In a [blank] far, far away
  8. 12. The layer of gases that surround a planet
  9. 15. Little green men