X-Flare Close-up - NASA IRIS Mission Picks Right Sunspot | Video
Thursday, September 11, 2014 - 17:50
in Astronomy & Space
NASA's Interface Region Imaging Spectrograph (IRIS) mission can only study small areas of the Sun's surface at a time. This week’s mission planner pointed the probe at promising sunspot AR2158 just in time for an X1.6-class flare.