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Naoko Kurahashi Neilson - 3 Kurahashi Neilson - 2 ” - 2 “ - 1 ’ ” - 1 Amundsen - 1 Scott - 1 Yuya Makino - 1
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☆ ‘Ghost particle’ portrait of the Milky Way revealed
  + stars: | 2023-06-29 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +6 min
CNN —For the first time, astronomers have assembled a glowing portrait of the Milky Way galaxy using cosmic “ghost particles” detected by a telescope embedded in Antarctica’s ice. Over the years, astronomers have showcased stunning images of the Milky Way through electromagnetic radiation from visible light or radio waves. These tiny, high-energy cosmic particles are often referred to as ghostly because they are extremely vaporous and can pass through any kind of matter without changing. The IceCube detector is seen under a starry night sky, with the Milky Way appearing over low auroras in the background. Cosmic rays are mostly made up of protons or atomic nuclei that have been stripped from atoms, according to NASA.
Persons: “, ’ ”, Naoko Kurahashi Neilson, Amundsen, Scott, Kurahashi Neilson, Yuya Makino, Steve Sclafani, Mirco, IceCube, ”, Chad Finley, ” Sclafani, Victor Hess, ” Kurahashi Neilson Organizations: CNN, Drexel University, National Science, Pole, NSF, Germany’s TU Dortmund University, Stockholm University, NASA Locations: Antarctica, Germany’s
☆ Neutrinos Build a Ghostly Map of the Milky Way
  + stars: | 2023-06-29 | by ( Kenneth Chang | ) www.nytimes.com   time to read: +1 min
From ghostlike particles, astrophysicists have pieced together a new map of the galaxy we live in. For now, that map of the Milky Way is blurry and incomplete. “This is the first time we’ve seen our own galaxy in anything other than light,” said Naoko Kurahashi Neilson, a professor of physics at Drexel University in Philadelphia who came up with the idea that a new view of the galaxy could be gleaned from particles known as neutrinos. Dr. Kurahashi Neilson and the more than 350 other scientists who collaborate on analyzing data from a neutrino detector at the South Pole reported their findings in a paper published on Thursday in the journal Science. “This is at last really the beginning of neutrino astronomy,” said John G. Learned, a physicist at the University of Hawaii who was not involved with the research.
Persons: ”, Naoko Kurahashi Neilson, Kurahashi Neilson, John G Organizations: Drexel University, University of Hawaii Locations: Philadelphia
☆ With neutrinos, scientists observe our galaxy in a whole new way
  + stars: | 2023-06-29 | by ( Will Dunham | ) www.reuters.com   time to read: +5 min
[1/2] An artist's composition of the Milky Way seen with a neutrino lens (blue) is shown in this undated handout image. Scientists said on Thursday they have produced an image of the Milky Way not based on electromagnetic radiation - light - but on ghostly subatomic particles called neutrinos. Neutrinos are produced by the same sources as cosmic rays, the highest-energy particles ever observed, but differ in a key respect. They released an illustration of their findings with neutrinos from the Milky Way represented by light, with a heavy concentration at the galaxy's core. "The most likely source of neutrinos and cosmic rays in our galaxy," Taboada added, "are the remains of past supernova explosions.
Persons: Lily Le, Shawn Johnson, Ignacio Taboada, Francis Halzen, Taboada, Naoko Kurahashi Neilson, Halzen, Will Dunham, Rosalba O'Brien Organizations: . National Science Foundation, REUTERS, Georgia Tech, of Wisconsin, Drexel University, Thomson Locations: REUTERS WASHINGTON, Philadelphia
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