Nuclei of Normal Galaxies

Our Galactic center''s proximity allows astronomers to study physical pro­ cesses within galactic nuclei at a level of detail that will never be possible in the more distant, but usually also more spectacular, extragalactic systems. Recent advances in instrumentation from the radio, through the submillime­ ter and infrared wavebands, and out to the X- and "''(-ray bands now allow observations of t...