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Next Saturday, I'm giving a talk on Planets around other Suns at the St Louis Gateway Arch. If you're in the area, please come! www.gatewayarch.com/about/arch-e...
3h
Come learn from the Sky Ranger at Gateway Arch National Park in this free program, followed by star gazing with telescopes under the Arch.
www.gatewayarch.com
Gateway to the Stars: Planets around other Suns
Dr Pamela L Gay