Enlarge / M82, the site of what's likely to be a giant flare from a magnetar. (credit: NASA, ESA and the Hubble Heritage Team) Gamma rays are a broad category of high-energy photons, including everything with more energy than an X-ray. While they are often created by processes like radioactive decay, few astronomical events produce them in sufficient quantities that they can be detected when the radiation originates in another galaxy. That said, the list is larger than one, which means detecting gamma rays doesn't mean we know what event produced them.

Topics:  enlarge    m82   nasa   esa   hubble heritage team    gamma   x-ray   sun   read   comments   magnetar   flare   galaxy   rays   neutron   giant   stars   produced   merger   bursts   objects   compact   produce   energy   magnetic   including   
BING NEWS:
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    Moments after the surveyor picked up the mysterious burst of energy, an alert was sent worldwide about the detection.
    04/25/2024 - 8:09 pm | View Link
  • Rare gamma-ray burst reveals magnetar flare in nearby galaxy
    In a unique cosmic event, scientists have detected a burst of gamma rays originating from a rare magnetar in the nearby galaxy M82 ...
    04/25/2024 - 3:31 am | View Link
  • Massive Flare From A Dead Star Lights Up Nearby ‘Cigar Galaxy’
    Detected in galaxy M82—better known as the Cigar Galaxy and one of the easiest to see with a backyard telescope at this time of year—the source of this extra-galactic flare is thought to be a magnetar ...
    04/24/2024 - 11:00 pm | View Link
  • Scientists detect first massive extragalactic magnetar flare in nearby galaxy
    While all neutron stars boast powerful magnetic fields, magnetars stand out with fields exceeding 10,000 times that of a typical neutron star.
    04/24/2024 - 8:19 pm | View Link
  • We may have spotted the first magnetar flare outside our galaxy
    Gamma rays are a broad category of high-energy photons, including everything with more energy than an X-ray. While they are often created by processes like radioactive decay, few astronomical events ...
    04/24/2024 - 10:09 am | View Link
  • More

 

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