In Tempe, Arizona, the sky looms large. The horizons are broad, and the sun shines more than 300 days a year. It’s hard to imagine a more fitting location for an installation by the Arizona-based artist James Turrell, known for his Skyspaces, a series of works that inspire visitors to ponder the connections between light, space, color, and the natural world. Installed on the campus of Arizona State University in 2012 and titled “Air Apparent,” this remarkable work allows viewers to re...