The Milky Way May Not Collide With Neighboring Galaxy Andromeda After All: 'From Near-Certainty To A Coin Flip'

Three future scenarios for Milky Way & Andromeda encounter. Main A 100,000 light-year separation leads to a collision (Bottom left) At 500,000 light-years, dark matter provides friction that brings galaxies to a close encounter. (Bottom right) Galaxi ...Read more