Spiral Galaxies: Axes Alignment with Cosmic Voids

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SUMMARY

The discussion centers on the alignment of spiral galaxies' axes of rotation with cosmic voids, as suggested by the article "The Alignment of Disk Galaxy Angular Momentum with Cosmic Structures" (2005). It concludes that the axes of disk galaxies are not random but are preferentially aligned with the boundaries of large-scale structures, specifically cosmic voids. This alignment is a statistically significant outcome of the angular momentum formation in disk galaxies, supported by galaxy redshift survey data from two distinct sets.

PREREQUISITES
  • Understanding of spiral galaxy formation and structure
  • Familiarity with angular momentum concepts in astrophysics
  • Knowledge of cosmic voids and large-scale structure in the universe
  • Experience with galaxy redshift surveys and statistical analysis
NEXT STEPS
  • Research the implications of angular momentum in disk galaxy formation
  • Explore the relationship between cosmic voids and galaxy distribution
  • Study statistical methods used in galaxy redshift surveys
  • Examine other studies on galaxy alignment with cosmic structures
USEFUL FOR

Astronomers, astrophysicists, and students studying galaxy formation and cosmic structure will benefit from this discussion, particularly those interested in the dynamics of spiral galaxies and their alignment with cosmic voids.

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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