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News From the Field
Neutron Stars May Be Too Weak to Power Some Gamma-ray Bursts

November 4, 2010

image of a massive star collapsing Long-duration gamma-ray bursts flash across the universe to signal the collapse of a massive star, but this collapsar model predicts either a neutron star or a black hole is left behind. New calculations of the energy released by gamma-ray bursts find it too large to be powered by a neutron star, even highly magnetized, spinning magnetars. Thus, University of California, Berkeley, astronomers conclude, the likely power source is a black hole. Full Story

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University of California, Berkeley

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2014, its budget is $7.2 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 50,000 competitive requests for funding, and makes about 11,500 new funding awards. NSF also awards about $593 million in professional and service contracts yearly.

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