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NASA to launch telescope on super-pressure balloon in search for cosmic rays
By Greg Borzo, UChicago News, April 5, 2017
''We're searching for the most energetic cosmic particles that we’ve ever observed,'' said Angela V. Olinto, the Homer J. Livingston Distinguished Service Professor at the University of Chicago and principal investigator of the project, known as the Extreme Universe Space Observatory-Super Pressure Balloon. ''The origin of these particles is a great mystery that we'd like to solve. Do they come from massive black holes at the center of galaxies? Tiny, fast-spinning stars? Or somewhere else?''
EUSO-SPB missionThe EUSO-SPB instrument will be carried by a superpressure balloon designed and launched by NASA’s Columbia Scientific Balloon Facility.

EUSO-SPB emerged from the JEM-EUSO project and uses the same principle of harnessing the earth's atmosphere to detect ultra high-energy cosmic rays. EUSO-SPB will observe the nitrogen fluorescence and Cherenkov photons produced by extensive air showers.

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