ANDREW MACFADYEN / SCIENCE PHOTO LIBRARY ANDREW MACFADYEN / SCIENCE PHOTO LIBRARY
Supernova jets at 68 seconds. Image 3 of 3. Computer simulation of jets (red) leaving the core of a supernova, an explosive star death. This may cause a gamma ray burst. The jets are moving at nearly half the speed of light. The red ring (centre) is the boundary of the star's helium core. The jets will not punch through the star's hydrogen atmosphere for 7820 seconds. They are powered by material falling into a new black hole at the star's centre. An observer in line with the jets may see a gamma ray burst. Simulation by Andrew McFadyen using supercomputers at the University of California, Santa Cruz, USA. See images R730/054-056 for the jets' progress.
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