Crossword Classic 6

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Across
  1. 5. A hypothetical region of spacetime and singularity that cannot be entered from the outside, although energy-matter, light and information can escape from it
  2. 6. The day after tomorrow
  3. 9. A programming language used for design/style
  4. 11. Is equal to 0,00273 years
  5. 12. An ionic compound known as "salt"
  6. 13. 19 of these is equal to 33440 yards
Down
  1. 1. Part
  2. 2. Having sides with equal lengths
  3. 3. A cipher made out of A and B
  4. 4. An interstellar cloud of gas and dust in which molecules can form, commonly H2
  5. 7. π of these is equal to 180°
  6. 8. 3rd letter in the Greek Alphabet
  7. 10. Taumatawhakatangihanga koauauotamateaturipuka ______maunga