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Spiral galaxies -

  1. Nov 5, 2007 #1

    jim mcnamara

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    Sprial galaxies -
    Are the axes of rotation of the purely random?

    This article:
    http://adsabs.harvard.edu/abs/2005astro.ph.11680T
    suggests the axes are preferentially aligned with cosmic voids.

    precis:

    Disk galaxies' axes should be highly inclined relative to the plane boundary of the nearby large-scale structure - or cosmic void. This is an 'expected consequence' of the formation of anglular momentum of disk galaxies. They show a good statistical fit of the hypothesis against galaxy redshift survey data - 2 sets.

    Does someone have either an explanation or a link to something that explains the
    'expected consqeuence' part of the formation of angular mometum in a disk galaxy?
     
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