This is a ROSAT false-color image in X-rays between 500 eV and 1.1 keV of the constellation Chamaeleon, Chamaeleon I dark cloud. The contours are 100 µm emission from dust measured by the IRAS satellite. Credit: D. Burrows, J. Mendenhall, and E. Feigelson. Penn State University using the US/German ROSAT satellite.
