This image was created by combining images taken in the visible and infrared parts of the spectrum, and a special filter that collected only light coming from glowing hydrogen. (sciencedaily.com)
[6] Cosmic - infrared background radiation, similar to the more famous cosmic microwave background, is a faint glow in the infrared part of the spectrum that appears to come from all directions in space. (sciencedaily.com)
It absorbs sunlight in the red and infrared parts of the spectrum and could be harnessed to boost the efficiency of solar cells. (newscientist.com)