Impact events are occurrences in which a celestial body, such as a meteor or asteroid, collides with another celestial body, such as Earth. These events can have significant impacts on the environment, climate, and life on Earth. Impact events are relatively rare but have had major effects in the past, such as the extinction of the dinosaurs. Scientists study impact events to understand their causes, effects, and potential risks to Earth in the future. This research area also includes the development of methods for detecting and potentially preventing impact events.