The SPHEREx mission will observe the entire sky multiple times over its planned two-year mission. It employs Linear-Variable Filter (LVF) technology to capture spectra across 100 spectral bands in the near-infrared spectrum. The mission focuses on exploring the origins of the universe, galaxies, water, and pre-biotic molecules, with a deep survey near the ecliptic poles and an all-sky survey during its mission. SPHEREx aims to achieve deeper sensitivities than 2MASS and meet scientific requirements with margins over instrument performance.
