Yerkes Observatory

Yerkes Observatory, located in Wisconsin, is a historic astronomical research facility founded in 1897. It is renowned for housing the world's largest refracting telescope, a 40-inch lens, used for studying stars and planets. The observatory played a significant role in early astronomical discoveries and education. Today, it serves as a research and educational center, preserving its beautiful historic architecture and making it accessible for public tours and scientific outreach. Its primary mission is to promote the understanding of the universe and inspire interest in astronomy through its preserved instruments and programs.