Week 14 astr, bi-, di-, tri

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Across
  1. 4. different from each other; made up of people or things that are different from each other
  2. 6. a group of three singers or musicians who perform together; a group of three people or things
  3. 7. a person who travels into outer space in a spacecraft
  4. 8. able to speak and understand two languages; using or expressed in two languages
Down
  1. 1. a person who studies stars, planets, and other objects in outer space
  2. 2. a situation in which you must make a difficult choice
  3. 3. (1) extremely large.2) of or relating to astronomy
  4. 5. a symbol * that is used in printed text, sometimes to tell someone to read a note that can be found at the bottom of the page
  5. 6. a series of three novels or movies that are closely related and involve the same characters or themes
  6. 7. a minor planet; one of thousands of small bodies that circle around the sun