Night Lights (IMAGE) Brown University Caption Increased nighttime lighting indicates economic growth in Poland and Eastern Europe between 1992 (left, above) and 2002. Poland is in the top left quarter of each image. Credit Image and Data processing by NOAA's National Geophysical Data Center. DMSP data collected by the US Air Force Weather Agency. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.