Inouye Solar Telescope Captures Most Detailed Images of Sun's Surface, Revealing Kelvin-Helmholtz Instability
The Daniel K. Inouye Solar Telescope, operated by the NSF in Maui, Hawaii, has produced the most detailed images of the Sun's photosphere, showcasing Kelvin-Helmholtz Instability (KHI). Observations at 416 nm reveal distorted magnetic boundaries and extremely fine stripes associated with KHI, a concept developed by Lord Kelvin and Hermann von Helmholtz in the 1870s. An international collaboration involving the NSF National Solar Observatory, NSF NCAR High Altitude Observatory, and Germany's Max Planck Institut für Sonnensystemforschung published their research in Nature, titled 'Ubiquitous Kelvin–Helmholtz instabilities driving plasma mixing on the Sun.' This finding may enhance our understanding of solar activity's effects on space weather and communication systems. Dr. Friedrich Wöger and Dr. Matthias Rempel highlighted its significance for solar magnetohydrodynamics.
Key facts
- The NSF Daniel K. Inouye Solar Telescope captured the highest-resolution images of the Sun's photosphere ever taken.
- The images reveal Kelvin-Helmholtz Instability (KHI) on the Sun's surface.
- KHI was formulated by Lord Kelvin and Hermann von Helmholtz around 1870.
- The observations were made at 416 nm.
- The research team includes scientists from NSF NSO, NSF NCAR HAO, and MPS.
- The findings were published in Nature.
- The vortices may drive solar activity and affect space weather.
- The images show deformed boundaries of magnetic elements and ultra-fine scale stripes.
Entities
Institutions
- NSF Daniel K. Inouye Solar Telescope
- National Solar Observatory
- NSF NCAR High Altitude Observatory
- Max Planck Institut für Sonnensystemforschung
- National Science Foundation
Locations
- Maui
- Hawaii
- United States
- Germany