RT @AstronomyNow: Astronomers discover dizzying spin of the Milky Way’s “Halo” astronomynow.com/2016/07/26/ast… https://t.co/IEsuXi7XUH
RT @AstronomyNow: Astronomers discover dizzying spin of the Milky Way’s “Halo” astronomynow.com/2016/07/26/ast… https://t.co/IEsuXi7XUH