Two conferences-sessions of exceptional planetarium will be organized on the occasion of the observation of the sunspot by one of the oculus of the Palais Longchamp.
Hachim Nitu de Marseille Patrimoine will present Henri Espérandieu and cosmology, in connection with the history of the Palace and the arrival of water in Marseille from 10:30 to 11 and from 12 to 12:30.
Lionel Ruiz, Director of the ANDROMEDE Association will present the astronomy underlying the phenomena from 11h to 11h30 and from 12h30 to 13h.
The observation of the phenomenon will take place from 11:30 to 12:00 for both groups in the heart of the Palais Longchamp.
This will be an opportunity to talk about equinoxes and solstices as well as the Observatory of Marseille and the Palais Longchamp closely linked thanks to the architect Henri Espérandieu.