September 19, 2025

SPHEREx Telescope

NASA’s SPHEREx telescope, set to launch on February 27, 2025 from Vandenberg Space Force Base in California.

  • The mission will launch on a SpaceX Falcon 9 rocket.
  • SPHEREx stands for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx).
  • SPHEREx’s main goal is to search for the fundamentals of life — water and organic matter within the Milky Way.
  • The telescope will take 600 images daily, completing four full sky scans in 27 months.
  • SPHEREx will map 450 million galaxies, revealing how the universe evolved after the Big Bang.
  • It will also study 100 million Milky Way stars, tracing life’s building blocks in space.
  • This new mission will complement the James Webb Space Telescope (JWST)by offering a comprehensive all-sky survey in infrared light. SPHEREx will collect data across 102 different infrared colours.
  • SPHEREx is designed to survey the entire sky, Unlike JWST, which focuses on specific targets.
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