Free astronomy events take place throughout the year. No sign-up needed. Dates, times, and details below. Map showing South Rim event locations > ![]() Monday, July 22Constellations over the Canyon
![]() Wednesday, July 24Constellations over the Canyon
![]() Thursday, July 25Constellations over the Canyon
![]() Friday, July 26Astronomy Night
![]() Saturday, July 27Astronomy Night
![]() Sunday, July 28Astronomy Night
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Last updated: July 22, 2024