#  Galactic collision gave Andromeda its arms 

 





June 04, 2014

 

 

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"Andromeda looks as if it has ring-like structures rather than spiral arms, but a simulation suggests that this could be merely a trick of perspective."

- [Nature: Galactic collision gave Andromeda its arms](http://www.nature.com/news/galactic-collision-gave-andromeda-its-arms-1.15329)
- ADS: [Signatures of the M31-M32 Galactic Collision](http://adsabs.harvard.edu/abs/2014arXiv1405.3990D)



 

 

 



 

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