NASA’s IRIS spots its largest solar flare

On Jan. 28, 2014, NASA’s Interface Region Imaging Spectrograph, or IRIS, witnessed its strongest solar flare since it launched in the summer of 2013. Solar flares are bursts of X-rays and light that stream out into space, but scientists don’t yet know the fine details of what sets them off.

Fuente : http://www.eurekalert.org/pub_releases/2014-02/nsf…