planetarium

A building or room with a domed ceiling onto which images of stars, planets, and other celestial bodies are projected, or an optical device used for such projections.

• 🇩🇪Ein Gebäude oder Raum mit einer kuppelförmigen Decke, auf die Bilder von Sternen, Planeten und anderen Himmelskörpern projiziert werden, oder ein optisches Gerät, das für solche Projektionen verwendet wird.

1. Building for astronomical projection B1 formal scientific

   A building or room that contains a special projector to display images of stars, planets, and other celestial objects on a large domed ceiling.

   • The school took a field trip to the planetarium to learn about constellations.
   • The planetarium's new laser show is very popular with visitors.
   • She works as a guide at the local planetarium.

   🇩🇪Planetarium

2. Optical projection device B2 formal scientific

   An optical device that projects images of celestial bodies and astronomical events onto the inner surface of a hemispherical dome.

   • The planetarium projector can simulate the night sky from any location on Earth.
   • Modern planetariums use digital projectors for high-definition shows.
   • The technician calibrated the planetarium's optical system.

   🇩🇪Optisches Projektionsgerät

3. Model of the solar system B2 formal scientific

   A model or apparatus that represents the positions and movements of the planets in the solar system.

   • The antique planetarium in the museum shows the orbits of the planets.
   • He built a small planetarium for his science project.
   • The planetarium model accurately depicts the relative sizes of the planets.

   🇩🇪Modell des Sonnensystems

   Synonyme: orrery

• planetaria plural form
• planetariums plural form
• planetaria's possessive plural form
• planetariums' possessive plural form
• planetarium's possessive singular form