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Experiment Near South Pole Reveals How Earth Blocks High-Energy Particles Produced by Nuclear Reactions
Experiment Near South Pole Reveals How Earth Blocks High-Energy Particles Produced by Nuclear Reactions 22 November 2017For the first time, a science experiment has measured Earth's ability to absorb neutrinos -- the smaller-than-an-atom particles that zoom throughout space and through us by the trillions every second at nearly the speed of light. The experiment was achieved with the IceCube detector, an array of 5,160 basketball-sized sensors frozen deep within a cubic kilometer of very clear ice near the South Pole. The IceCube collaboration includes Penn State physicists.
Sky-high observatory sheds light on origin of excess anti-matter: New study excludes nearby pulsars, points to dark matter as possible culprit
Sky-high observatory sheds light on origin of excess anti-matter: New study excludes nearby pulsars, points to dark matter as possible culprit 16 November 2017The High-Altitude Water Cherenkov (HAWC) Observatory in Mexico, built and operated by an international team that includes Penn State scientists, has captured the first wide-angle view of very-high-energy light emanating from two rapidly spinning stars. The fresh perspective on these stellar neighbors casts serious doubt on one possible origin for a mysterious excess of particles near Earth.
New quest to map stars and galaxies across the entire sky
New quest to map stars and galaxies across the entire sky 16 November 2017The Alfred P. Sloan Foundation has announced a $16 million grant to support the next generation of the Sloan Digital Sky Survey (SDSS-V) -- a project including Penn State scientists that is one of the most successful and influential efforts to map the universe in the history of astronomy.

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