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  • Upcoming Events

  • Skies PGC
    • Planetarium Patty Shares a Look at the Night Sky in Prince George's County

      Taking a few minutes outside?  Want to know what to look for in the night sky this week? Join Planetarium Patty from HBOSC as she shares a few of the nightly and early morning wonders to check out in the sky over Prince George's County.  

    • HBOSC Planetarium Virtual Astronomy Programs

      Have you missed the HBOSC Friday Night Planetarium Programs? Wait no longer. 

      The Ancient Engineers Of Chaco Canyon
      Come join Planetarium Patty in exploring the ancient Puebloan ruins of Chaco Canyon, New Mexico. Use the archaeological evidence provided to decide for yourself if the design of the sites was random or intentional. Use planetarium software to explore the astronomical alignments and determine what special astronomical events would have been visible to the residents of Chaco Canyon at the height of its civilization. This program runs about an hour long and can be found at the following link: