Calgary in 2010 (image) GFZ GeoForschungsZentrum Potsdam, Helmholtz Centre Share Print E-Mail Caption Photograph of Calgary, Alberta, Canada, taken from the International Space Station on Dec. 23, 2010. Residential areas are mainly lit by orange sodium lamps. Credit NASA's Earth Observatory/Kyba, GFZ Usage Restrictions None Share Print E-Mail 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.