HEATKEYS

ancient skywatchers regulated their calendars and tracked days with celestial alignments, often sunrises and sunsets with targetted shadow and light features on equinoxes, solstices and cross quarters

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Cloudbait Observatory is a robotic astronomical observatory located in the Colorado Rockies. The website features a gallery of astroimages, details of science at the observatory, and a section on archaeoastronomy.

The ASDP Home Page contains original astronomy material, well-organized astronomy, weather, and science links, as well as ASD Planetarium information.

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