Astronomers measure ‘warp speed’ of Milky Way galaxy
The Milky Way is warped, possibly as the result of a collision with another galaxy billions of years ago. Studying this warp could reveal more about the structure of our galaxy's hidden matter.
Kaiyuan Hou and Zhanxun Dong School of Design Shanghai Jiao
Astronomers measure ‘warp speed’ of Milky Way galaxy
The Milky Way is warped, and the alignment of this warp is precessing backwards around the galaxy under the influence of a squashed dark matter halo.