Distant Infrared Galaxies
Left ImageISOCAM 7 microns (green rings) and 15 microns (yellow contours) superimposed on HST image.
Visible Light: NASA/ESA/HST and R.Williams and HDF Team (STSCI)
Infrared: ESA/ISO/ISOCAM, CEA Saclay and H Aussel e t al.
Right ImageISOCAM 15 microns. Arrowed is a galaxy not yet seen by visible light.
ESA/ISO/ISOCAM and M. Rowan-Robinson (ICSTM London) et al.