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Scientists finally have an explanation for the most energetic explosions in the universe livescience.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from livescience.com Daily Mail and Mail on Sunday newspapers.
'The Empty-Sky Gamma-Ray Mystery' -Evidence of Dark Matter? dailygalaxy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailygalaxy.com Daily Mail and Mail on Sunday newspapers.
Mystery Of "Empty Sky" Gamma-Ray Origins Has Been Solved iflscience.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iflscience.com Daily Mail and Mail on Sunday newspapers.
In 1967, Jocelyn Bell, then a graduate student in astronomy at Cambridge University, noticed a strange signal, a series of sharp pulses that came every 1.3 seconds, in the data of her radio telescope that seemed too fast to be coming from anything like a star. Bell and her advisor Anthony Hewish initially thought they might have detected a signal from an extraterrestrial civilization that they named LGM-1, for “Little Green Men.” (It was later renamed.) It turned out not be aliens, but rather the discovery of the first pulsar. ‘Spider’ Pulsar System Now, more than 50 years later, an international research team searching for so-called ‘Spider’ pulsar systems – rapidly spinning neutron stars whose high-energy outflows are destroying their binary companion star, is at the core of a celestial object a gamma ray pulsar now known as PSR J2039?5617. The researchers utilized the the enormous computing power of the citizen science project Einstein@Home to trac ....
E-Mail IMAGE: Artist s impression of PSR J2039?5617 and its companion. The binary system consists of a rapidly rotating neutron star view more Credit: Knispel/Clark/Max Planck Institute for Gravitational Physics/NASA GSFC An international research team including members from The University of Manchester has shown that a rapidly rotating neutron star is at the core of a celestial object now known as PSR J2039?5617 The international collaboration used novel data analysis methods and the enormous computing power of the citizen science project Einstein@Home to track down the neutron star s faint gamma-ray pulsations in data from NASA s Fermi Space Telescope. Their results show that the pulsar is in orbit with a stellar companion about a sixth of the mass of our Sun. The pulsar is slowly but surely evaporating this star. The team also found that the companion s orbit varies slightly and unpredictably over time. Using their search method, they expect to f ....