An engineer works on the spectrometer instrument for the Interface Region Imaging Spectrograph (IRIS). IRIS is a NASA Small Explorer Mission to observe how solar material moves, gathers energy, and heats up as it travels through a little-understood region in the sun's lower atmosphere.
An engineer works on the spectrometer instrument for the Interface Region Imaging Spectrograph (IRIS). IRIS is a NASA Small Explorer Mission to observe how solar material moves, gathers energy, and heats up as it travels through a little-understood region in the sun’s lower atmosphere.
Image Credit: Courtesy of LMSAL