Kink in the Milky Way’s disc could have been created by an ongoing collision

The Milky Way has a ‘kink’ or warp in its disc that ‘wobbles like a spinning top’ and it could have been created by an ongoing collision with a nearby dwarf galaxy. Observations from the European Space Agency Gaia mission helped scientists from the Turin Astrophysical Observatory track the warp as it orbits the galactic … Read more