What is the name used to designate the region of the Hertzsprung-Russell diagram in which most variable stars are usually found?

0 votes
     the protostellar evolutionary track
      the red giant branch
      the instability strip
      the horizontal branch
      the vertical branch
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
the instability strip
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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