The extremely luminous afterglow of GRB 080319B was imaged by
Swift's X-ray Telescope (left) and Optical/Ultraviolet Telescope (right).
This was by far the brightest gamma-ray burst afterglow ever seen.
Credit: NASA/Swift/Stefan Immler, et al.
NASA’s Swift satellite
http://www.nasa.gov/mission_pages/swift/main/index.html
The extremely luminous afterglow of GRB 080319B was imaged by
Swift's X-ray Telescope (left) and Optical/Ultraviolet Telescope (right).
This was by far the brightest gamma-ray burst afterglow ever seen.
Credit: NASA/Swift/Stefan Immler, et al.