SPHEREx's Concentric Cones

NASA's SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) observatory rests horizontally in this April 2024 image taken at BAE Systems in Boulder, Colorado. This orientation shows the observatory's three layers of photon shields - the metallic concentric cones. Over a two-year planned mission, the SPHEREx Observatory will collect […]