The left is a composite of a Hubble Space Telescope infrared image (orange and white areas) of quasar galaxy QSO I Zw 1 overlaid with a contour-line image from the Plateau de Bure (PdBI) radio telescope interferometer array in Hautes Alpes, France. White represents the highest intensity infrared light, orange-red represents the lowest. The right image is a more detailed image of the galaxy's center, taken with The National Science Foundation's Berkeley Illinois Maryland Assoc.in Hat Creek, CA.
