Sir Thomas Brisbane Planetarium

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The Sir Thomas Brisbane Planetarium is a planetarium located on the grounds of Brisbane Botanic Gardens in the suburb of Toowong, Brisbane, Queensland, Australia, and was opened in 1978.

The Planetarium is named after Sir Thomas Brisbane, governor of New South Wales (1821 - 1825), and an avid astronomer. It is located about 5km from the Central Business District, and is administered by the Brisbane City Council.

The Planetarium features the 12.5m Cosmic Skydome (hemispherical planetarium theatre) with a Zeiss star projector and a digital dome projection system; an observatory containing a permanently-mounted Zeiss 15cm refractor and other instruments; and extensive photographic and model displays in its Foyer and Gallery. The Planetarium runs regular shows in the Cosmic Skydome for public and school groups, observing sessions in the observatory and occasional public field nights.