Enjoying EarthSky? Subscribe.

271,753 subscribers and counting ...

Tangled up in blue

NASA’s SDO captured the sun’s only visible active region putting on a fine display.

NASA’a Solar Dynamics Observatory (SDO) captured these images between April 24-26, 2018. Here’s NASA’s description:

The lone active region visible on our sun put on a fine display with its tangled magnetic field lines swaying and twisting above it … when viewed in a wavelength of extreme ultraviolet light. The charged particles spinning along these field lines illuminate them.

Bottom line: NASA SDO video shows the sun’s only visible active region putting on a fine display, viewed in extreme ultraviolet light, between April 24-26, 2018.

Read more from NASA.

Eleanor Imster

MORE ARTICLES