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Worldwide Hunt To Solve The Mystery Of Gamma-ray Bursts

Date:
February 22, 2008
Source:
University of Leicester
Summary:
Space scientists report on new discoveries about gamma ray bursts obtained from the Swift satellite and coordinated observations from a global network of ground based telescopes. Gamma-ray bursts are short-lived events, lasting between a few milliseconds to a few minutes. The brightest of them emit more energy in a few seconds than our Sun will emit in its whole 10 billion year lifetime. Gamma ray bursts are occurring several times daily somewhere in the universe, fortunately at huge distances from our solar system. These fleeting explosions are precursors to the births of black holes.

UK space scientist Emeritus Professor Alan Wells discussed the breadth of international collaborations in new discoveries about gamma ray bursts obtained from the Swift satellite and coordinated observations from a global network of ground based telescopes at the AAAS annual meeting in Boston.

Gamma-ray bursts are short-lived events, lasting between a few milliseconds to a few minutes. The brightest of them emit more energy in a few seconds than our Sun will emit in its whole 10 billion year lifetime. Gamma ray bursts are occurring several times daily somewhere in the universe, fortunately at huge distances from our solar system. These fleeting explosions are precursors to the births of black holes.

The Swift Gamma Ray Burst Explorer satellite is a NASA mission with substantial UK and Italian participation. Swift was designed to solve the mystery of the origin of gamma ray bursts by pinpointing the burst and measuring the emissions from the huge fireball that occurs in the first few seconds of the burst's lifetime.

Scientists at Leicester's Space Research Centre are part of the international team working on the Swift, having had a major role in the development of the X-ray telescope, which has been responsible for many of the discoveries made by Swift.

Since its launch in 2004, Swift has discovered over 292 gamma-ray bursts, and pin-pointed a further 320 bursts detected by other satellites. Swift's rapid response - it was named after the bird, which catches its prey "on the fly" - has been critical to understanding these titanic events.


Story Source:

The above story is based on materials provided by University of Leicester. Note: Materials may be edited for content and length.


Cite This Page:

University of Leicester. "Worldwide Hunt To Solve The Mystery Of Gamma-ray Bursts." ScienceDaily. ScienceDaily, 22 February 2008. <www.sciencedaily.com/releases/2008/02/080216114853.htm>.
University of Leicester. (2008, February 22). Worldwide Hunt To Solve The Mystery Of Gamma-ray Bursts. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2008/02/080216114853.htm
University of Leicester. "Worldwide Hunt To Solve The Mystery Of Gamma-ray Bursts." ScienceDaily. www.sciencedaily.com/releases/2008/02/080216114853.htm (accessed July 29, 2014).

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