A cosmic collision refers to the event when two celestial bodies, such as stars, planets, or galaxies, come into contact or close proximity, resulting in significant gravitational interactions. These collisions can lead to various outcomes, including the merging of the bodies, the formation of new celestial structures, or the ejection of material into space. One of the most famous examples of a cosmic collision is the merging of the Milky Way and Andromeda galaxies, expected to occur in about 4.5 billion years. Such events are crucial for understanding the evolution of the universe and the formation of new stars and planetary systems.