images

The Sun seen by SDO. May 23 2010

by

Nasa/Novapix

Reference

a-sol02-40010

Date

2010-05-24

This image taken by SDO (Solar Dynamics Observatory) is a composite of three extreme ultraviolet wavelengths: 211 Å (false-color yellow) 193 Å (green) and 171 Å (blue), each tracing a different gas temperature ranging from 1 to 2 million degrees K.