Sharpest-Ever Images Of The Sun Reveal A Violent Hidden Secret
Using the world’s most powerful solar observatory, astronomers have captured the sharpest images of the Sun’s surface ever, uncovering a dynamic, microscopic fluid process that addresses some of solar physics’ longest-standing mysteries.
Data collected by the Daniel K. Inouye Solar Telescope, located near the summit of Haleakalā, Hawaii, has provided the first visual proof of Kelvin-Helmholtz instability across the solar photosphere. Published in the Nature journal, the study led by scientists at the National Solar Observatory, the NSF NCAR High Altitude Observatory, and the Max Planck Institute for Solar System Research reveals small, swirling, whirlpool-like vortices continuously churning along the borders of magnetic regions on the Sun.
Kelvin-Helmholtz instability is a classic physical phenomenon that occurs whenever two neighboring fluids or gases flow past one another at different speeds. On Earth, this velocity shear produces the familiar curling, wave-like formations seen in wind-swept cloud layers or ocean swells. On...
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