Fraser Cain on Nostr: The solar corona is heated to millions of degrees, vastly hotter than the surface of ...

The solar corona is heated to millions of degrees, vastly hotter than the surface of the Sun. Astronomers suspect the magnetic fields that pierce the surface somehow trap energy and drive the increasing temperatures. Astronomers have observed the magnetic fields on the surface of the Sun for decades, and now, the Daniel K. Inouye Solar Telescope in Maui has mapped out the coronal magnetic fields for the corona in unprecedented detail.

https://www.eurekalert.org/news-releases/1057450