In Eritrea, Rossi discovered another phenomenon that would become a principal theme of his postwar cosmic ray research : extensive cosmic ray air showers.
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When a primary cosmic particle collides with the atmosphere, it decays into secondary cosmic particles creating an air shower ( muons, electrons, hadrons ).
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She gives them white, nylon coats and matching hats and booties and leads them into an elevator-sized air shower, where filtered air blows off dust.
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In a second phase starting 2006, 15 antennas have been rotated by 90?to measure the polarization of the radio signal emitted by air showers.
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Air showers of secondary particles generated from a primary cosmic ray hitting the Earth's atmosphere are spread over many kilometres when they hit the ground.
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This team used an air shower array at Harvard University's Agassiz Astronomical Station to observe air showers created by cosmic rays using ground-based liquid scintillator detectors.
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This team used an air shower array at Harvard University's Agassiz Astronomical Station to observe air showers created by cosmic rays using ground-based liquid scintillator detectors.
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Next trip, I'd try the Pousada Papagaio, which had just opened and featured 10 lovely, simple rooms with open-air showers and a beautiful garden of regional trees.
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Staff enter and leave through airlocks ( sometimes including an air shower stage ), and wear protective clothing such as hoods, face masks, gloves, boots, and coveralls.
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Powerful gamma rays can, however be detected by the large air showers they produce, and the study of cosmic rays is a rapidly expanding branch of astronomy.
