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位於夏威夷的丹尼爾·井上太陽望遠鏡近期捕捉到了太陽表面迄今最高解析度的可見光影像。這張照片首次證實了克耳文-亥姆霍茲不穩定性(Kelvin-Helmholtz instability)的存在,這是一個在一個多世紀前就被預測的物理現象。

影像中呈現的花瓣狀與漩渦圖案,是由於不同速度移動的電漿流相互摩擦所產生。科學家過去就預期這些極度高溫的氣體會像空氣或水流相撞一樣形成漩渦,而現在的高解析度技術終於讓這些直徑僅數十公里的小漩渦變得可見。

這些前所未有的細節對於科學研究具有重大意義。它將有助於天文學家更深入了解太陽如何將能量傳遞到外層區域,並改變日冕的溫度,進而幫助我們預測可能對地球電子系統造成威脅的地磁風暴。

The Daniel K. Inouye Solar Telescope in Hawaii recently captured the highest-resolution visible-light image of the sun's surface to date. This image provides the first evidence of the Kelvin-Helmholtz instability, a physical phenomenon that was predicted over a century ago.

The petal-like and swirling patterns seen in the image are generated by the friction between plasma streams moving at different speeds. Scientists had anticipated that these superheated gases would form vortices similar to colliding air or water currents, and advanced resolution technology has finally made these tiny vortices, barely dozens of kilometers across, visible.

These unprecedented details are of immense significance to scientific research. They will help astronomers better understand how the sun transfers energy to its outer regions and alters the temperature of the solar corona, ultimately aiding in the prediction of geomagnetic storms that threaten Earth's electronic systems.

2026-08-17 (Monday) · 10bf8210266dc5db34650f4833dd79a807b8d169

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