On November 4, 2016, NASA, FEMA, the Department of Energy, Jet Propulsion Laboratory (JPL), U.S. Air Force, and the California Governor’s Office of Emergency Services collaborated in a planning exercise simulating a destructive asteroid impact set for September 20, 2020. The exercise planners envisaged that the asteroid, up to 800 feet (250 meters) in size, […]
[[ This is a content summary only. Visit my website for full links, other content, and more! ]]