Most Detailed Sun Images Ever Reveal Swirling Structures

Astronomers have achieved a groundbreaking milestone, capturing the most detailed images of the Sun's surface in history. These unprecedented visuals, produced by the powerful Daniel K. Inouye Solar Telescope in Hawaii, reveal intricate details previously hidden from view.

The images showcase golden bands and small, swirling structures on the Sun's surface. Scientists believe these newly observed phenomena, smaller than 20 kilometers in scale, could be key to understanding why the Sun's outer atmosphere, the corona, is significantly hotter than its surface. This has been a long-standing puzzle in solar physics.

Dr. Friedrich Wöger, a senior scientist at the U.S. National Solar Observatory, described the images as having the highest spatial resolution ever achieved for the Sun's surface. The telescope, located atop Haleakalā volcano on Maui, has pushed the boundaries of observation. Previous images from the same telescope showed granular structures comparable in size to France, with details down to 30 kilometers. The latest images, however, reveal structures nearly at the telescope's limit of capability.

These swirling patterns are thought to be manifestations of the Kelvin-Helmholtz instability, a phenomenon occurring when rapidly moving plasma interacts with slower-moving material. This instability creates disturbances that grow into spiral vortices, resembling breaking waves. While observed in Earth's atmosphere and on planets like Jupiter and Saturn, its confirmation on the Sun marks a significant discovery.

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Moją pierwszą reakcją było: „Wow, jak to możliwe, że widzimy na Słońcu tak małe i szczegółowe struktury?”. To coś, czego nigdy wcześniej nie zaobserwowaliśmy podczas żadnych badań Słońca.