Museum of Astronomy and Related Sciences - MAST

The Institution

The Museum of Astronomy and Related Sciences (Museu de Astronomia e Ciências Afins - MAST), the former base of the National Observatory (Observatório Nacional - ON), was created in 1985 in Rio de Janeiro. It is a research unit linked to the Ministry of Science, Technology, and Innovation (Ministério da Ciência, Tecnologia e Inovação - MCTI) which has the mission of expanding the access of society to scientific and technological knowledge through research, the preservation of archives, the dissemination and history of science and technology in Brazil.

It is a reference in its area of expertise, and a center for the holding of scientific and technical events. Courses and workshops are offered for teachers, and also for specialists in the conservation and restoration of paper documents and metallic objects.


Research is concentrated on the history of science, science education in non-formal spaces, museology and heritage. Applied research is carried out in the educational resources, metallic object conservation, and paper conservation and restoration laboratories.

MAST participates in Postgraduate courses in Museology and Heritage; History; and the Teaching, Philosophy, and History of Science, in partnership with other institutions, as well as the first Postgraduate course in Preservation of Science and Technology Heritage. Furthermore it offers short courses in the dissemination of science, archive preservation, and continuous education of teachers. The Exhibitions, Sky Observation Activity and the Programmed School Visit have a special importance.

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