Sou'Wester Feb 2026

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Across
  1. 1. One of this unit is the average distance between the Earth and Sun
  2. 3. The region at the edge of our Solar System filled with ice clumps
  3. 5. Hypothetical substance thought to make up most matter in the universe
  4. 7. Russian term for astronaut
  5. 10. Comet whose 1835 and 1910 appearances framed the birth and death of Mark Twain, fulfilling his famous prediction
  6. 11. The fourth planet in the Solar System
  7. 13. This man wears the biggest belt in the universe
Down
  1. 1. The first 'a' in NASA
  2. 2. Massive stellar explosion marking the death of certain stars
  3. 4. Our galaxy
  4. 6. Planet known for its extensive ring system
  5. 8. Rocky body that enters Earth’s atmosphere and may reach the surface
  6. 9. 100km above the surface of the Earth is the border of space, called the _____ Line
  7. 12. Planet famous for being sideways