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Astrophysics Science Division

Cosmic Ray Energetics and Mass (CREAM)

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Operational

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The balloon-borne CREAM instrument was developed for direct measurements of cosmic-ray spectra 1 ≤ Z ≤ 26 at total energies greater than 1011 eV to test models of cosmic-ray acceleration. A version of the experiment called ISS-CREAM is being developed to fly on the space station.

      The CREAM instrument just prior to launch from Williams Field, McMurdo Station, Antarctica.