Astronomers predict that in about four billion years, the Andromeda galaxy will collide with our own galaxy, the Milky Way. The Andromeda galaxy is our largest and closest neighbor in the universe.
원문출처 : https://www.cnn.com/2019/10/02/world/andromeda-galaxy-collision-scn/index.html
원문출처 : https://www.cnn.com/2019/10/02/world/andromeda-galaxy-collision-scn/index.html