Commonwealth Club Of California Podcast

For 500 years, telescopes have opened windows on the cosmos with increasing power and precision. Beginning with the historic telescopes funded by Andrew Carnegie and built by George Ellery Hale atop Pasadena’s Mount Wilson, where Edwin Hubble confirmed the existence of the universe beyond our Milky Way galaxy and revealed its continual expansion, the United States has stood at the vanguard of observational technology. Through the past century, our country has developed ground- and space-based telescopes that have revolutionized how astronomers understand the cosmos and humanity’s place in it, from the Hubble Space Telescope and JWST to the Vera C. Rubin Observatory, which came online last year. When the National Science Foundation advanced the Giant Magellan Telescope (currently under construction at Carnegie Science’s Las Campanas Observatory in Chile’s Atacama Desert) to its Final Design Review phase last summer, astronomers again felt the promise that American technology could soon unlock some of the bigg