Planetarium of Nantes, Science museum in Nantes, France.

The Planetarium of Nantes occupies the upper part of Square Marcel-Moisan on the Butte Sainte-Anne. Its gray stone-clad facade holds a hemispherical dome of vertical metal ribs and panels, topped by a small fin, above a pale beige curved base flanked by two concrete pillars. Inside, an 8-meter dome seats 59 spectators.

The facility opened in 1981, inspired by a celebration of Jules Verne's 150th birthday where a planetarium demonstration captured the interest of city officials. This enthusiasm led to the construction of the current venue.

The planetarium hosts a monthly evening session on a specific theme and takes part in events such as the Fête de la Science, the Nuit des Musées and the Utopiales. It also runs an inflatable mobile dome that travels around the département for schools and associations.

The planetarium stands on the Butte Sainte-Anne, at 8 rue des Acadiens in the Square Marcel-Moisan, on the right bank of the Loire, near the Fresque des Acadiens and the Jules Verne Museum. The square is reached either by the staircase between rue Misery and rue Hermitage or from rue des Acadiens by walking around the building. Sessions last about an hour and are booked in advance.

Inside, visitors can touch large meteorites, a rare experience that most other museums do not allow. These stones come from outer space and provide a tangible connection to objects from the cosmos.