An article from the National Aeronautics and Space Administration (NASA) discusses how images of Earth at night show lights of cities, highways, and other infrastructure that are fingerprints of how civilization has spread across the planet. A team of scientists from NASA’s Goddard Space Flight Center (GSFC) and Universities Space Research Association (USRA) has been analyzing images of night lights around the city of Wuhan, China, between January 19 and February 4, 2020. Using this methdology, the team detected signs of the recent shutdown of business and transportation around Hubei province in central China.
