SPHEREx Mission

In February 2026, NASA’s SPHEREx mission turned its infrared gaze on interstellar comet 3I/ATLAS recently, adding to the deep pool of information the agency has gathered on what is only the third such object to be discovered passing through our solar system.

  • SPHEREx was launched on 11 March 2025 as a NASA space observatory to conduct the first all-sky spectroscopic survey in the near-infrared.
    • The full form is Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer.
  • The mission has a planned duration of two years and will map the entire sky four times.
  • It observes the sky ....
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