Laura de Le n is a radar astronomer who studies Potentially Hazardous Objects (PHOs) such as threatening asteroids and comets at NASA's Jet Propulsion Lab in Pasadena, California. In Los Angeles in 2020, several crises are coalescing. The first strain of SARS-CoV-2 triggers the lockdowns, the city roils with protests of Derek Chauvin's murder of George Floyd and the police killing of Breonna Taylor, while the Bobcat Fire sweeps across the San Fernando...