Debris discs are belts of small particles and dust that orbit around a star, typically located at a distance similar to the asteroid belt in our own solar system. These discs are thought to be remnants of the planet formation process and can provide valuable insights into the early stages of planetary system evolution. Researchers study debris discs using a variety of techniques, including observations made with telescopes that detect infrared and visible light, as well as theoretical models that simulate the dynamics of the disc. By studying the size, composition, and structure of debris discs, scientists can gain a better understanding of the formation and evolution of planetary systems. Debris discs are important not only for understanding the history of our own solar system but also for discovering and characterizing exoplanets. By studying the properties of debris discs around other stars, astronomers can learn more about the diversity of planetary systems in the Universe.