Milky Way and Andromeda: A 90% Likely Merger
The Milky Way and the Andromeda Galaxy are like two vast flocks of birds drawing together in the celestial expanse. New data from the Gaia telescope shows: Andromeda barely deviates sideways. The chance of their merger is a whopping 90%. Even the gentlest crosswind could steer their paths apart, but calculations say: it’s almost nonexistent.