Webb Telescope Test: Insulating from Heat and Cold

NASA's Goddard Space Flight Center: In this photo, Ed Shade, an Engineer at NASA's Goddard Space Flight Center in Greenbelt, Md. is putting final touches on thermal blankets in a vacuum chamber called the Space Environment Simulator, or SES that is being used to test components of NASA's James Webb Space Telescope. Shade is laying blanketing on the wires on the floor to keep the heat they create from contaminating the other parts of the testbed. Those blankets are made of aluminized kapton, a po...