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Highest-Resolution Solar Image Reveals Kelvin-Helmholtz Instability

ai-technology · 2026-08-06

The Daniel K. Inouye Solar Telescope, run by the U.S. National Science Foundation at the National Solar Observatory in Maui, Hawaii, has achieved a remarkable feat by capturing the clearest image of the sun ever. This image highlights a phenomenon known as Kelvin-Helmholtz Instability (KHI), which occurs when two fluids moving at different speeds interact. First described by scientists in the 1870s, KHI is also observed in ocean waves and the atmospheres of planets like Jupiter and Saturn. The telescope, which is the most sophisticated of its kind, revealed features smaller than 12 miles, offering new insights into 'flux braiding.' Dr. David Kuridze told The Guardian that this finding could help solve a significant puzzle in solar physics, shedding light on the sun's corona temperatures and geomagnetic storms.

Key facts

  • The Daniel K. Inouye Solar Telescope captured the highest-resolution image of the sun ever.
  • The telescope is operated by the U.S. National Science Foundation at the National Solar Observatory on Maui, Hawaii.
  • The image reveals Kelvin-Helmholtz Instability (KHI), a phenomenon of two fluids flowing at different velocities.
  • KHI is named after scientists who first observed it around 1870.
  • The telescope captured features smaller than 12 miles across.
  • The details may illuminate 'flux braiding,' a process of magnetic field lines twisting and breaking, causing solar flares.
  • Dr. David Kuridze stated the findings could solve a major mystery in solar physics.
  • The research may explain why the sun's corona is millions of degrees hotter than its surface.
  • Understanding magnetic energy could help protect against geomagnetic storms that disrupt communications, power grids, GPS, and satellites.

Entities

Institutions

  • U.S. National Science Foundation
  • National Solar Observatory
  • Daniel K. Inouye Solar Telescope
  • The Guardian
  • Colossal
  • NSF Daniel K. Inouye Solar Telescope
  • NSF NCAR High Altitude Observatory
  • Max Planck Institut für Sonnensystemforschung
  • National Science Foundation

Locations

  • Maui
  • Hawaii
  • United States
  • Germany

Sources