Definition of planetarium in English:


Pronunciation /ˌplanəˈterēəm/ /ˌplænəˈtɛriəm/

Translate planetarium into Spanish

nounplanetariums, planetaria

  • 1A building in which images of stars, planets, and constellations are projected on the inner surface of a dome for public entertainment or education.

    ‘He announced to his wife that he was going to educate the public by building a planetarium in the back room of their house.’
    • ‘Although not terribly well known, the Observatorio Astronomico de Mallorca has a working planetarium and offers public skywatching using telescopes sufficiently powerful to study Jupiter, Mars, Saturn, Venus and Mercury.’
    • ‘Cosmic Microwave Background: The New Cosmology and other elements of the AstroBulletin are made available to museums, science centers, planetariums, and other public spaces nationwide and around the world.’
    • ‘Within the scheme of science education, planetariums are considered an important tool for exciting youngsters and the general public about the wonders of the universe.’
    • ‘A Zeiss projector that was centrepiece of the Star Theatre for the planetarium's 27-year lifespan was purchased by York University, which currently has it disassembled in storage.’
    • ‘Not only will it offer both an earth science museum and a planetarium (the Barlow Planetarium), but it also provides visitors with an opportunity to view a portion of the Barlow collection.’
    • ‘Single fish-eye projectors that cover an entire dome now display digital skies in planetariums in many schools, science centers, and public libraries.’
    • ‘The QM2 boasts 24-hour casinos, the only planetarium at sea, and the Canyon Ranch SpaClub, where you can unwind from the day with an assortment of pampering treatments.’
    • ‘When she got a few minutes away from planning the wedding, she was trying to set up the summer program for the planetarium.’
    • ‘Further applications include use in planetariums and other virtual reality scenarios in the field of entertainment.’
    • ‘So, in the past eight years, under his direction, the Bangalore Association for Science Education at the planetarium has helped young students start out on scientific careers.’
    • ‘The observatory will be open to the public for the first time and the galleries will be located in the Victorian South Building, home of the old planetarium.’
    • ‘The Royal Observatory at Greenwich is to be restored and opened to the public, with the addition of a new planetarium.’
    • ‘Between the star parties, parks, and planetariums, Hawaii offers more publicly accessible world-class astronomy per square mile than anywhere else on Earth.’
    • ‘Shows at the temporary planetarium will allow visitors to explore the planets and moons of the solar system, take a journey into ancient Egypt to see how science was used to create calendars, and look at the search for life in outer space.’
    • ‘Anyone taking a trip to the local planetarium would have heard that the planets have 60 or so moons orbiting them on neat, nearly circular paths.’
    • ‘Over 150 people, including school and college students, turned up at the planetarium on Thursday evening to view the celestial bodies.’
    • ‘Marsapalooza is the product of a unique partnership funded by NASA and the National Science Foundation, produced by Passport to Knowledge, and hosted by several museums, planetariums, science centers, and schools across the country.’
    • ‘Cosmonova, at the Swedish Museum of Natural History in Stockholm, is made up of an Omnitheatre with both a modern planetarium and a 70 mm-wide cinema.’
    • ‘I told them we trust the museum will open in the spring of 2007 and that we hope to open the planetarium, lobby, and café in the middle of this year.’
    1. 1.1A device used to project images of stars, planets, and constellations.
      ‘While astronomers were radically expanding their view of the universe in the early part of the twentieth century, a new invention was also fueling a rising public enthusiasm: the planetarium.’
      • ‘A planetarium can do stars and project slides on the ceiling, maybe make a laser dance in one place, and that's about it.’
      • ‘The planetarium projects bright stars and constellations visible in the Southern Hemisphere on your walls and ceilings.’
      • ‘An inflatable planetarium is introducing the wonders of the universe into the classroom.’
  • 2

    another term for orrery

    ‘He wrote Theorica Planetarum which describes the construction of a planetarium, the first to be described by a European.’
    • ‘He also included instructions on building a planetarium as well as its geometrical description.’


Mid 18th century modern Latin, from Latin planetarius ‘relating to the planets’.