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Parker Solar Probe: Four Years of Discoveries at Solar Cycle Minimum
McComas, D. J.; Bale, S. D.; Matteini, L. +55 more
Launched on 12 Aug. 2018, NASA's Parker Solar Probe had completed 13 of its scheduled 24 orbits around the Sun by Nov. 2022. The mission's primary science goal is to determine the structure and dynamics of the Sun's coronal magnetic field, understand how the solar corona and wind are heated and accelerated, and determine what processes accelerate …
Dynamics of Large-Scale Solar Flows
Gizon, Laurent; Noraz, Quentin; Hotta, Hideyuki +2 more
The Sun's axisymmetric large-scale flows, differential rotation and meridional circulation, are thought to be maintained by the influence of rotation on the thermal-convective motions in the solar convection zone. These large-scale flows are crucial for maintaining the Sun's global magnetic field. Over the last several decades, our understanding o…
Extreme Solar Events: Setting up a Paradigm
Notsu, Yuta; Maehara, Hiroyuki; Dalla, Silvia +17 more
The Sun is magnetically active and often produces eruptive events on different energetic and temporal scales. Until recently, the upper limit of such events was unknown and believed to be roughly represented by direct instrumental observations. However, two types of extreme events were discovered recently: extreme solar energetic particle events o…