Science

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Across
  1. 2. covered in Fe₂O
  2. 7. Lightest solid on earth (98% air)
  3. 9. Artemis rocket
  4. 10. most used linux distro
  5. 12. Star Trek space ship
  6. 14. ~71% water ~29% dirt
  7. 15. Caltech physics professor, "the Great Explainer"
  8. 16. Caltech cafe
Down
  1. 1. scale using log10
  2. 3. first Mars Rover
  3. 4. oldest surviving linux distro
  4. 5. pi times two
  5. 6. ______ Bros. Bagels (in pasadena)
  6. 8. gas thats in ~21% of air
  7. 11. last element on periodic table
  8. 13. animal in ubuntu 26.04 codename