Extragalactic observations and future missions |
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Authors: | A Franceschini G De Zotti P Mazzei |
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Institution: | (1) Osservatorio Astronomico di Padova, Vicolo Osservatorio 5, I-35122 Padova, Italy |
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Abstract: | We briefly review some questions of extragalactic astrophysics and cosmology that would most benefit from future missions outside the Earth's atmosphere in the IR and submillimeter. These include the formation and early evolution phases in galaxies and the probably related question of quasar formation; the observation of Active Galactic Nuclei embedded in thick dusty structures (torii) and its impact on the still debated unified model of AGN activity; the observability of radiation processes occurring at very highz through background measurements; the investigation of the large scale structure and velocity field in the distant universe; and studies of the interstellar medium in galaxies. Some more emphasis is given on the galaxy formation problem, because we believe that IR-mm sensitive observations will be crucial to its final solution. |
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Keywords: | IR galaxies Active Galactic Nuclei dust emission galaxy formation |
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