"Afterglow" is a term that refers to the soft light or glow that remains in the sky after the sun has set. This phenomenon occurs when the sun is below the horizon, but its light still illuminates the atmosphere, creating beautiful colors like pink, orange, and purple. The afterglow can last for several minutes, depending on atmospheric conditions. In a broader context, "Afterglow" can also describe the lingering feelings or emotions that follow a significant event, such as a celebration or achievement. This emotional afterglow can enhance memories and create a sense of happiness or satisfaction long after the event has ended.