International Journal of Astronomy and Astrophysics

Volume 1, Issue 2 (June 2011)

ISSN Print: 2161-4717   ISSN Online: 2161-4725

Google-based Impact Factor: 0.78  Citations  h5-index & Ranking

Pending Problems in QSOs

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DOI: 10.4236/ijaa.2011.12011    5,827 Downloads   11,991 Views  Citations

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ABSTRACT

Quasars (Quasi Stellar Objects, abbreviated as QSOs) are still nowadays, close to half a century after their discovery, objects which are not completely understood. In this brief review a description of the pending problems, inconsistencies and caveats in the QSO's research is presented. The standard paradigm model based on the existence of very massive black holes that are responsible for the QSO's huge luminosities, re-sulting from to their cosmological redshifts, leaves many facts without explanation. There are several obser-vations which lack a clear explanation, for instance: the absence of bright QSOs at low redshifts, a mysteri-ous evolution not properly understood; the inconsistencies of the absorption lines, such as the different structure of the clouds along the QSO's line of sight and their tangential directions; the spatial correlation between QSOs and galaxies; and many others.

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López-Corredoira, M. (2011) Pending Problems in QSOs. International Journal of Astronomy and Astrophysics, 1, 73-82. doi: 10.4236/ijaa.2011.12011.

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