Cygnus OB2 is the nearest massive young stellar association to our Sun. In this new composite image, the Chandra data (purple) shows the diffuse X-ray emission and young stars in Cygnus OB2, and infrared data from NASA’s now-retired Spitzer Space Telescope (red, green, blue, and cyan) reveals young stars and the cooler dust and gas throughout the region. Image credit: NASA / CXC / SAO / Drake et al. / JPL-Caltech / Spitzer / N. Wolk. At a distance...