SPHEREx is getting ready for launch – but before it begins mapping the stars, the space telescope had to be put through intense thermal, acoustic, vibration, and electromagnetic testing. Go behind the scenes to see how it fared during these critical environmental tests. NASA is targeting Feb. 27, 2025, for the launch of SPHEREx, which will lift off aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California. | NASA Jet Propulsion Laboratory