NASA's Black Marble satellite images reveal dramatic changes in Earth's nighttime lights, with some regions growing brighter while others dimmed over nearly a decade. Credit: NASA's Goddard Space Flight Center/Scientific Visualization Studio Emme Watkins (eMITS): Lead Producer Aaron E. Lepsch (ADNET Systems, Inc.): Technical Support Tassia Owen (Global Science and Technology, Inc.): Project Support Christina Brooke Mitchell (eMITS): Project Support Zhuosen Wang (University of Maryland): Scientist Mike Carlowicz (NASA/HQ): Narrator Kel Elkins (Science Systems and Applications Inc): Scientific Visualizer Music Credit: "Don't Tell Them," "Delicate Breeze," Universal Production Music.