Afterglows emit radio, infrared, optical, UV, X-ray, as well as gamma-ray light, which provides more data about the original burst. Afterglows also linger for hours to days (or even years) longer than their initial explosion, creating more opportunities for discovery.
![Gamma-ray Bursts: Harvesting Knowledge From the Universe’s Most Powerful Explosions – NASA Science Gamma-ray Bursts: Harvesting Knowledge From the Universe’s Most Powerful Explosions – NASA Science](https://i0.wp.com/science.nasa.gov/nasa-social-logo.webp?fit=%2C)