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  Something 'fishy' is happening with the Milky Way's dark matter halo 

 Stars around the outskirts of our galaxy may hint at a secret about the Milky Way's dark matter. 

https://cdn.mos.cms.futurecdn.net/mB7zd4Mcwa2ab7TA94eNyD.jpg

https://www.space.com/milky-way-dark-matter-halo-missing-pieces