Solar System

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Across
  1. 1. Its nickname is the "Red Planet" due to its orange-red dusty soil.
  2. 3. The brightest object in the night sky after Earth's moon.
  3. 5. In charge of America's space program.
  4. 6. Snowballs made up of frozen gas, rock, and dust.
  5. 7. Modular space station in low Earth orbit.
  6. 8. The closest star to Earth; the center of our solar system.
  7. 12. The largest planet in our solar system; it has at least sixteen moons.
  8. 13. The only planet to rotate on its side.
  9. 14. Earth's most abundant element on the surface of Earth.
  10. 16. The only planet with water and life; it has one moon.
  11. 17. A person who is trained to travel into space in a spacecraft
Down
  1. 2. Known for its large rings; it has the most moonsof any planet.
  2. 4. Divides the inner and outer planets; it lays between Mars and Jupiter.
  3. 9. The most distant planet from the sun; it is the smallest of the gas giants.
  4. 10. The closest planet to the sun; considered the smallest.
  5. 11. Currently considered a dwarf planet.
  6. 15. Force pulling all objects "downward" toward the center of Earth.