The spiral galaxies IC2163 (left) and NGC2207 (right) are set to collide and merge into one galaxy in about 1 billion years./Courtesy of NASA·ESA

One of the two galaxies in the image will disappear in about 1 billion years. The spiral galaxies IC2163 (left) and NGC2207 (right) are about 120 million light-years apart and are within each other's gravitational influence. The two spiral galaxies are currently pushing each other away, creating a dust band and accelerating the birth of stars; however, they are expected to eventually collide and merge into a single galaxy. Astronomers anticipate that the slightly larger NGC2207 will consume IC2163.