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4d ago

Solar Orbiter Unveils Widest High-Resolution Ultraviolet Mosaic of the Sun

The ESA–NASA mission captures a 12,544×12,544-pixel view of the Sun’s million-degree corona, showcasing intricate solar features in unprecedented detail.

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Overview

  • The Solar Orbiter mission has released the most expansive high-resolution ultraviolet mosaic of the Sun’s corona, assembled from 200 individual images.
  • Captured on March 9, 2025, the mosaic provides a detailed view of the Sun’s million-degree atmosphere, including glowing coronal loops, cooler filaments, and prominences.
  • The spacecraft utilized its Extreme Ultraviolet Imager (EUI) instrument to create a 5×5 imaging grid from a distance of 77 million kilometers.
  • The final composite image measures 12,544×12,544 pixels, corresponding to an area of 2325.5×2325.5 million kilometers.
  • Solar Orbiter, a collaborative mission between ESA and NASA with the Royal Observatory of Belgium leading the EUI instrument, aims to advance understanding of solar phenomena and space weather.