The sun’s outer atmosphere is far more complex than previously thought

Newly analyzed images could help solve mysteries about solar wind and the superhot corona

sun's corona

A CALM FACADE  The outer corona of the sun appears smooth and calm. But freshly analyzed images from NASA’s STEREO spacecraft, which blocks out the sun (center) to bring the corona into view, shows unexpected texture.

NASA

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