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NASA's SPHEREx takes first images, preps to study millions of galaxies

  • NASA's SPHEREx telescope captured its first light on March 27, imaging tens of thousands of galaxies and stars.
  • Scientists spent roughly a decade developing SPHEREx to map millions of galaxies and study the universe's origins.
  • The telescope captured six differently colored images using three detectors, each showing over 100,000 light sources.
  • Olivier Doré stated, "Our spacecraft has opened its eyes on the universe," and Beth Fabinsky called this "the high point".
  • SPHEREx will begin routine operations in late April, taking 600 exposures daily to map the sky four times in two years.
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Phys.org broke the news in United Kingdom on Tuesday, April 1, 2025.
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