{"id":229559,"date":"2026-01-22T01:44:44","date_gmt":"2026-01-22T07:44:44","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/velocity-gradients-prove-key-to-explaining-large-scale-magnetic-field-structure"},"modified":"2026-01-22T01:44:44","modified_gmt":"2026-01-22T07:44:44","slug":"velocity-gradients-prove-key-to-explaining-large-scale-magnetic-field-structure","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/velocity-gradients-prove-key-to-explaining-large-scale-magnetic-field-structure","title":{"rendered":"Velocity gradients prove key to explaining large-scale magnetic field structure"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/velocity-gradients-prove-key-to-explaining-large-scale-magnetic-field-structure3.jpg\"><\/a><\/p>\n<p>All celestial bodies\u2014planets, suns, even entire galaxies\u2014produce magnetic fields, affecting such cosmic processes as the solar wind, high-energy particle transport, and galaxy formation. Small-scale magnetic fields are generally turbulent and chaotic, yet large-scale fields are organized, a phenomenon that plasma astrophysicists have tried explaining for decades, unsuccessfully.<\/p>\n<p>In a paper <a href=\"https:\/\/www.nature.com\/articles\/s41586-025-09912-0\" target=\"_blank\">published<\/a> January 21 in <i>Nature<\/i>, a team led by scientists at the University of Wisconsin\u2013Madison have run complex numerical simulations of plasma flows that, while leading to turbulence, also develop structured flows due to the formation of large-scale jets. From their simulations, the team has identified a new mechanism to describe the generation of magnetic fields that can be broadly applied, and has implications ranging from space weather to multimessenger astrophysics.<\/p>\n<p>\u201cMagnetic fields across the cosmos are large-scale and ordered, but our understanding of how these fields are generated is that they come from some kind of turbulent motion,\u201d says the study\u2019s lead author Bindesh Tripathi, a former UW\u2013Madison physics graduate student and current postdoctoral researcher at Columbia University.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>All celestial bodies\u2014planets, suns, even entire galaxies\u2014produce magnetic fields, affecting such cosmic processes as the solar wind, high-energy particle transport, and galaxy formation. Small-scale magnetic fields are generally turbulent and chaotic, yet large-scale fields are organized, a phenomenon that plasma astrophysicists have tried explaining for decades, unsuccessfully. In a paper published January 21 in Nature, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,8],"tags":[],"class_list":["post-229559","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=229559"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229559\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}