Here's an image of gamma-ray burst GRB 090423:
Click the image to see the story.
On April 23, Swift detected a 10-second-long gamma-ray burst of modest brightness. It quickly pivoted to bring its ultraviolet/optical and X-ray telescopes to observe the burst location. Swift saw a fading X-ray afterglow but none in visible light. Here's an awesome artist's representation video.
(Hey, anyone know why I can't the video to show? I'm trying to use the embed tag for an .mpg. What should I be using? Oh, and LJ is great: It deletes everything in your post starting from the embed tag. Yay.)
"It's an incredible find," Chincarini said. "What makes it even better is that a telescope named for Galileo made this measurement during the year in which we celebrate the 400th anniversary of Galileo's first astronomical use of the telescope."
"We're seeing the demise of a star - and probably the birth of a black hole - in one of the universe's earliest stellar generations."