tinnes puzzler

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Across
  1. 1. Opposite of matter prefix
  2. 4. Brightest star in earths solar system
  3. 6. Bay called 'gitmo'
  4. 8. Number means watch out!
  5. 10. Everyone has got one
Down
  1. 2. national association of stock car racing
  2. 3. 69' gto
  3. 5. Green mile actor
  4. 7. No clear meaning
  5. 9. Frosty's first word