Ast/Audi Crossword Puzzle

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Across
  1. 2. A group of people gathered to listen to or watch a performance
  2. 4. Of or relating to sound
  3. 5. Someone who explores outer space
  4. 7. Someone who studies stars
  5. 8. A symbol (*) used in written/typed text
Down
  1. 1. A performance to showcase a person's talen
  2. 3. A place where people gather to listen to a speech or performance
  3. 6. A minor planet; a rock in outer space
  4. 7. The study and measurement of stars
  5. 8. Heard or able to be heard