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The Cleveland Astronomical Society was established in 1922 and has a long
history of providing free academic lectures to interested individuals. The
lecture programs are presented by educators, engineers, and researchers on
topics related to astronomy and aerospace. Unlike a number of astronomical
organizations which concentrate on using their telescopes for night sky viewing,
C.A.S. focuses on indoor scholarly forums of expert presentations.

The C.A.S. Outreach program makes a concerted effort to encourage astronomy
teaching and learning by inviting local high school science teachers and their
students to various dinner/lectures. There they will be exposed to astronomical
research work that employs the practical application to the scientific research
process. The Outreach program also allows teachers to network with other
teachers, students to socialize with other students and for all to be exposed to
an academic lecture event outside the regular classroom experience.

C.A.S is also a co-sponsor of the Cleveland Museum of Natural History's
Frontiers of Astronomy Lecture series. This is also a free and open to the public
lecture series which is held at the museum in the Murch Auditorium. On clear
evenings, the Museum's Ralph Mueller Observatory is open afterwards.
The C.A.S. Library is also stored and available at the Shafran Planetarium
for C.A.S. members.