How does NASA's Spitzer Space Telescope use engineering to stay cold in space? To find out, a student (Danny Pudi) exchanges letters with a NASA engineer (Robert Picardo) via a helpful talking postage stamp (Richard Horvitz).

This video was produced by the education & public outreach department of NASA's Spitzer Space Telescope, focusing on STEM education. It addresses content included in the Next Generation Science Standards, 3-5-ETS1-1: Engineering Design

NASA's Jet Propulsion Laboratory in Pasadena, Calif., manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate in Washington. Science operations are conducted at the Spitzer Science Center at the California Institute of Technology in Pasadena. Data are archived at the Infrared Science Archive housed at the Infrared Processing and Analysis Center (IPAC) at Caltech. Caltech manages JPL for NASA.