Space Exploration

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Across
  1. 3. Eighth and farthest planet from the Sun in our solar system?
  2. 4. Former ninth planet from the Sun, reclassified as a dwarf planet in 2006?
  3. 6. Fourth planet from the Sun, often referred to as the "Red Planet"?
  4. 7. Region of space with gravitational pull so strong that nothing, not even light, can escape?
  5. 8. Star at the center of our solar system, providing light and heat to planets?
  6. 9. Second planet from the Sun, often called Earth's "sister planet"?
  7. 14. Person trained to travel and work in space, often aboard spacecraft or space stations?
Down
  1. 1. Earth's only natural satellite, responsible for ocean tides and lunar phases?
  2. 2. Largest planet in our solar system, known for its giant storm called the Great Red Spot?
  3. 5. Sixth planet from the Sun, famous for its spectacular ring system?
  4. 6. Closest planet to the Sun in our solar system?
  5. 10. Third planet from the Sun and the only known planet to support life?
  6. 11. Seventh planet from the Sun, known for its unique sideways rotation?
  7. 12. Vast system of stars, gas, dust, and dark matter held together by gravity?
  8. 13. Celestial object made of ice, dust, and gas that orbits the Sun in a highly elliptical orbit?