Which accomplishment of some early American civilization shows that they had knowledge of artonomy?

Answer 1

The Mayans, an early American civilization, demonstrated their advanced knowledge of astronomy through the construction of sophisticated observatories and the development of a complex calendar system. They accurately tracked celestial events, such as solstices and eclipses, and calculated the solar year to be 365.2422 days, remarkably close to the modern measurement. Their astronomical observations were integral to their agricultural practices and religious ceremonies, showcasing their deep understanding of the cosmos.