NASA's IRIS spots its largest solar flare
Sunday, February 23, 2014 - 06:31
in Astronomy & Space
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.