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Observing Kelvin-Helmholtz instability in solar blowout jet

Hou, Yijun; Yang, Shuhong; Zhang, Jun +2 more

Kelvin-Helmholtz instability (KHI) is a basic physical process in fluids and magnetized plasmas, with applications successfully modelling e.g. exponentially growing instabilities observed at magnetospheric and heliospheric boundaries, in the solar or Earth's atmosphere and within astrophysical jets. Here, we report the discovery of the KHI in sola…

Unprecedented Fine Structure of a Solar Flare Revealed by the 1.6 m New Solar Telescope

Xu, Yan; Cao, Wenda; Liu, Chang +3 more

Solar flares signify the sudden release of magnetic energy and are sources of so called space weather. The fine structures (below 500 km) of flares are rarely observed and are accessible to only a few instruments world-wide. Here we present observation of a solar flare using exceptionally high resolution images from the 1.6 m New Solar Telescope (…