hypernova
Gamma-ray bursts (GRB) have left astronomers scratching their heads since the late 1960s when they were discovered by U.S. military satellites. Part of the mystery began to unlock when astronomers at Northwestern University detected the first observational evidence for the remnants of hypernovae, explosions hundreds of times more powerful than supernovae, last year. Hypernovae may be the possible source of GRBs, making them the most energetic events known in the Universe besides the Big …
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…nature of GRBs and hypernovae. “I suspect GRBs may well be just a tip of an iceberg, as we have no clue why some explosions generate so much gamma-ray emission,” Paczynski said. These discoveries will help our understanding of the history of the universe, how it all started. To work out the actual mechanisms involve, astronomers need more cases and more accurate positions of such events, allowing them to look at them from ground-based telescopes.
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