Audioguides
The coelostat
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Palais de la découverte
Sébastien Fontaine, Head of the Astronomy Unit presents the coelostat, an instrument that has been incorporated into the roof of the Palais de la Découverte since it opened in 1937, and that enables us to observe and study the Sun.
Audioguide for all ages, from 12 upwards.
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