Blown into Being: How a Nearby Supernova Sculpted Our Interstellar Neighborhood

Zucker et al. investigate the origin of the Cluster of Local Interstellar Clouds and find that a nearby supernova about 1.2 million years ago likely created them by sweeping up gas inside the Local Bubble. They rule out a purely Strömgren sphere origin and show that their model explains the clouds’ motion, structure, and formation history.