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Continue to ChatUrban Astronomer to speak on Astronomy and Light Pollution https://www.urban-astronomer.com/news-and-updates/urban-astronomer-to-speak-on-astronomy-and-light-pollution/
Urban Astronomer to speak on Astronomy and Light Pollution https://www.urban-astronomer.com/news-and-updates/urban-astronomer-to-speak-on-astronomy-and-light-pollution/