美国国家科学基金会国家太阳观测所与国际研究团队利用丹尼尔·K·伊诺耶太阳望远镜，在太阳光球层表面发现了Kelvin-Helmholtz不稳定性现象[1]。这一发现以小型漩涡状图案的形式呈现，涡旋间距在50至65公里之间[1]。研究成果已发表于《Nature》期刊，论文题为《Ubiquitous Kelvin-Helmholtz Instabilities Driving Plasma Mixing on the Sun》[1]。
该发现对太阳物理学具有重要意义。美国国家科学基金会国家太阳观测所研究人员Thomas Rimmele博士表示，"Kelvin-Helmholtz不稳定性很可能是导致外层大气加热的一种机制，是解决星体为何拥有百万度开尔文高温日冕这一长期谜团的部分方案"[1]。这项研究有助于揭示磁能如何在太阳表面积聚和移动，以及驱动太阳活动的物理机制[1]。
An international research team has identified Kelvin-Helmholtz instability phenomena on the surface of the Sun using the Daniel K. Inouye Solar Telescope, marking a significant advancement in understanding solar physics [1]. The discovery, announced on August 5, 2026, reveals small-scale vortex patterns in the Sun's photosphere, with spacing between these structures measuring between 50 and 65 kilometers [1]. The research was conducted by scientists from the NSF National Solar Observatory, NSF NCAR High Altitude Observatory, and the Max Planck Institute for Solar System Research [1].
The findings, published in the journal Nature under the title "Ubiquitous Kelvin-Helmholtz Instabilities Driving Plasma Mixing on the Sun," may provide crucial insights into one of solar physics' most enduring mysteries [1]. According to Dr. Thomas Rimmele, "Kelvin-Helmholtz instability is likely a mechanism that contributes to the heating of the outer atmosphere and is part of the solution of the longstanding enigma of why stars have a million degrees Kelvin hot corona" [1]. The instability mechanism is also expected to illuminate how magnetic energy accumulates and moves within the solar atmosphere, contributing to a deeper comprehension of the physical processes that drive solar activity [1].