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We are currently scheduling for Spring 2025.

As the outreach arm of the Department of Astronomy, we are not a full-fledged or staffed science center. We do our best to meet all requests. We offer public shows based on staffing availability. The Planetarium at COSI is open for public programs.

Upcoming Events

November 22, 2024
Smith Lab 5033 - Arne Slettebak Planetarium
December 13, 2024
Smith Lab 5033 - Arne Slettebak Planetarium

Recent News

By Noah Downing
Constellations, Planets, and Astronomical Events Visible in November 2024

Happy November and happy end of daylight savings! November 3rd is the end of daylight savings time, meaning clocks will “…

Comet Tsuchinshan-ATLAS vaults into the evening sky on or about Oct. 11th. Map dates show the comet's position from latitude 40° north during the evening hours for U.S. time zones.

A severe geomagnetic storm is possible on Thursday and Friday (Oct. 10 and Oct. 11).

By Noah Downing
Constellations, Planets, and Astronomical Events Visible in October 2024

Happy October and happy Fall! With the days getting shorter and shorter the month will see sunrise and sunset at 7:28am and…