Image: Horsehead Nebula (Webb MIRI) (IMAGE) NASA/Goddard Space Flight Center Caption This image of the Horsehead Nebula from NASA’s James Webb Space Telescope focuses on a portion of the horse’s “mane.” It was taken with Webb’s MIRI (Mid-Infrared Instrument). Mid-infrared light captures the glow of substances like dusty silicates and soot-like molecules called polycyclic aromatic hydrocarbons. In this image, blue represents light at wavelengths of 5.6, 7.7, and 10 microns; green is 11, 12, and 15 microns; and red is 18, 21, and 25 microns. Credit NASA, ESA, CSA, K. Misselt (University of Arizona) and A. Abergel (IAS/University Paris-Saclay, CNRS) Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.