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© Sébastien CHASTANET / CNES / OMP / IRAP / UT3 / CNRS Images



La nacelle PILOT en préparation à la base de lancement de ballons d'Alice Springs

The PILOT gondola being prepared at the balloon launch base in Alice Springs, in Australia. The PILOT astronomical science gondola, with a telescope payload, has been designed for use in studying the origins of the universe. Its purpose is to measure submillimetric polarised emissions from interstellar dust. More specifically, the project aims to map the magnetic fields in the interstellar clouds of the Milky Way, and study their role in star formation These unprecedented measurements are being made using a stratospheric balloon to which the instrument gondola is attached. Such measurements are more economical and simpler to perform using balloons than using satellites. Launched to a height of 40 km on 16 April 2017, PILOT gathered data that would have been impossible to collect using ground-based telescopes, as the Earth's atmosphere partially blocks cosmic radiation.

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