150,000 UK-Sized Plasma Swirls Discovered on the Sun

Why is the corona, the sun's upper atmosphere, so much hotter than the sun's surface when it's much further away from the core? An international team of scientists led by the University of Sheffield aimed to answer the long-standing question and discovered these plasma swirls may play a role.
Published: 5:59 AM EDT August 8, 2019
Updated: 4:18 PM EDT August 7, 2019