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Studying interstellar dust from a balloon

In just a few days, the Pilot astrophysics experiment will be launched under a stratospheric balloon from Alice Springs in central Australia. Its aim is to observe the polarized emission of dust particles found in the interstellar medium of our galaxy and nearby galaxies.  With a mass approaching one metric ton, Pilot uses the largest balloons ever launched by CNES, the French national space agency.
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