According to new research led by Rochester Institute of Technology (RIT), the collision of the recently-discovered dwarf galaxy Antlia 2 with our Milky Way Galaxy hundreds of millions of years ago is responsible for ripples in the Milky Way’s outer gas disk. The Large Magellanic Cloud, the Milky Way Galaxy and Antlia 2 (from left to right). Image credit: V. Belokurov / Marcus and Gail Davies / Robert Gendler. Antlia 2 was discovered in 2018 in data...
