Science Stats Astronomy

Magnetic fields in sun rise at 500 kilometers per hour

New estimate is lower than previous

magnetic flares

RISE UP  Coils of magnetism that erupt from the sun, seen in this false color ultraviolet image from NASA’s Solar Dynamics Observatory, are pushed up in parcels of gas, a new study suggests.

NASA Goddard Space Flight Center

By Christopher Crockett

- More than 2 years ago

About 20,000 kilometers beneath the sun’s surface, magnetic fields rise no faster than about 500 kilometers per hour.