Which of the following is not one of the classes of binary-star systems discussed in the textbook?

0 votes
     double-line spectroscopic binaries
      visual binaries
      parallactic binaries
      single-line spectroscopic binaries
      eclipsing binaries
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
parallactic binaries
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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