The sun’s strongest flare in 11 years might help explain a solar paradox

Physicists will test why the biggest flashes tend to occur as a solar cycle ebbs

SDO image of sun

SPOT OF BOTHER  The same complicated sunspot spat out seven flares from September 4 to 10. This image shows in ultraviolet light the second-largest flare (bright flash at right), which was emitted on September 10.


This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Astronomy

From the Nature Index

Paid Content