8 of 8: James Gleason, Suomi National Polar-orbiting Partnership Project scientist at the National Aeronautics and Space Administration's Goddard Space Flight Center, speaks during a media conference Wednesday, Dec. 5, 2012, at the American Geophysical Union meeting in San Francisco. NASA has released new composite images of earth taken by the National Oceanic and Atmospheric Administration's Suomi National Polar-orbiting Partnership satellite. A new sensor aboard the NPP satellite is enabling scientists to observe Earth's atmosphere and surface during nighttime hours, in greater detail than ever before. (AP Photo/Ben Margot) (AP Photo/ Ben Margot)

Share this gallery