Which of the following descriptions fits the galaxy type labeled S0 in the Hubble classification?

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    They contain a disk and a bulge, but little to no interstellar gas and no spiral arms.
     They are nearly circular in profile, with no visible disk or central bulge.
     They are uneven in distribution - neither circular, disklike, or elliptical - and contain no dominant central bulge.
     They contain a bar of stellar material that extends out from the central bulge before trailing off into spiral arms.
     They are elongated and elliptical, but have no visible disk or central bulge.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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They contain a disk and a bulge, but little to no interstellar gas and no spiral arms.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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