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Neutrino observation points to one source of high-energy cosmic rays

Observations made by researchers using a National Science Foundation (NSF) detector at the South Pole and verified by ground- and space-based telescopes have produced the first evidence of one source of high-energy cosmic neutrinos. These ghostly subatomic particles can travel unhindered for billions of light-years, journeying to Earth from some of the most extreme environments in the universe. Data gathered by NSF's IceCube Neutrino Observatory…

NASA finds fragmented remnants of Beryl, located west of Bermuda

IMAGE: NASA's Aqua satellite analyzed the fragmented thunderstorms associated with the remnants of Tropical Storm Beryl on July 13 at 2:05 a.m. EDT (0605 UTC) and saw coldest cloud top temperatures... view more  Credit: Credits: NASA/NRL The remnants of former Tropical Storm Beryl are being battered by upper level winds, and that's fragmenting them even more. NASA's Aqua satellite passed over the northwestern Atlantic Ocean and…

A blazar is a source of high-energy neutrinos

A celestial object known as a blazar is a source of high-energy neutrinos, report two new studies. Neutrinos are light particles that only weakly interact with ordinary matter. Just two individual sources of astrophysical neutrinos were previously known (the Sun and a nearby supernova), with no new sources discovered for 30 years. In 2013, researchers analyzing data from the IceCube Neutrino Observatory near the South…

Subaru Telescope helps pinpoint origin of ultra-high energy neutrino

IMAGE: Subaru Telescope. view more  Credit: NAOJ Today, an international team announced that for the first time in the world they had identified the source object of an ultra-high energy neutrino. On September 22, 2017 the IceCube experiment at Amundsen Scott station in Antarctica detected an ultra-high energy neutrino coming from outer space and was able to determine the direction it came from to within about…

In search of dark matter

IMAGE: Photo shows PandaX, a xenon-based detector in China. view more  Credit: PandaX. RIVERSIDE, Calif. -- An international team of scientists that includes University of California, Riverside, physicist Hai-Bo Yu has imposed conditions on how dark matter may interact with ordinary matter -- constraints that can help identify the elusive dark matter particle and detect it on Earth. Dark matter -- nonluminous material in space --…

Hawaii telescopes help unravel long-standing cosmic mystery

Astronomers and physicists around the world, including in Hawaii, have begun to unravel a long-standing cosmic mystery. Using a vast array of telescopes in space and on Earth, they have identified a source of cosmic rays--highly energetic particles that continuously rain down on Earth from space. In a paper published this week in the journal Science, scientists have, for the first time, provided evidence for…

MAGIC telescopes trace origin of a rare cosmic neutrino

For the first time, astrophysicists have localized the source of a high energy cosmic neutrino originating outside the Milky Way. It is highly likely that the neutrino comes from a blazar in the Orion constellation. Scientists reached this interesting finding by combining a neutrino signal from IceCube with measurements from other instruments, e.g. the Fermi-LAT and MAGIC telescopes. This multi-messenger observation provided a clue to…

University of Alabama professors help in discovery of potential cosmic ray...

TUSCALOOSA, Ala. - Three professors at The University of Alabama are part of an international team of scientists who found evidence of the source of tiny cosmic particles, known as neutrinos, a discovery that opens the door to using these particles to observe the universe. "We're beginning to do astronomy using means other than light, combining electromagnetic (light) observations with other measurements in what we…

Blazar accelerates cosmic neutrinos to highest energies

For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from…

University of Leicester scientists involved in discovery of origins of ‘ghost...

Scientists from the University of Leicester have played a key role in a momentous discovery about the origins of 'ghostly' particles from the distance universe that bombard Earth from billions of light years away. The Leicester team from the Department of Physics & Astronomy are part of a global network of researchers that have helped to resolve a more than century-old riddle about what sends…
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