
Noctilucent clouds – also known as polar mesospheric clouds (PMCs) over Wismar, Germany on July 9, 2011.

NASA’s twin Radiation Belt Storm Probes are on their way into orbit following their successful liftoff aboard the United Launch…

Nick Ciganovick of the University of Wisconsin (left), Northrop Grumman mechanic Tom Ripley (center), and NASA mechanic Mike Bereda discussed…

NASA Goddard Flight Research Center support scientists Andrew Kupchock (top left) and Patrick Selmer (bottom left) assisted Northrop Grumman mechanics…

NASA’s Goddard Space Flight Center developed the Cloud Physics Lidar shown being readied for mounting in a NASA Global Hawk.

NASA Goddard support scientist Patrick Selmer sorts cables during the installation of Goddard’s Cloud Physics Lidar into a NASA Global…

NASA Goddard support scientist Andrew Kupchock (left) watches Northrop Grumman mechanic Tom Ripley install NASA Goddard’s Cloud Physics Lidar into…

Northrop Grumman mechanic Steve Crowell (left) mounts the dropsonde dispensing tube in the underside of a NASA Global Hawk while…

Early on August 29, 2012, the Visible Infrared Imaging Radiometer Suite on the Suomi-NPP satellite captured this nighttime view of…

This computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune’s largest moon. The wind…