In tins note. we explore a pathway to radio-loudness under the hypothesis that retrograde accretion onto giant(M_(BH)～10~9M⊙) rapidly spin- (MBH ping (a ≥ 0.7) black holes (BHs) leads to the launch of powerful jets, as seen in radio-loud QSOs and recently in LAT/Fermi and BAT/Swift Blazars. CounterCounter- rotation of the accretion disc relative to the BH spin is here associated to gas—poor galaxy mergers progenitors of giant (missing-light) ellipticals. The occurrence of retrograde accretion enters as unifying element that may account for the radio-loudness/galaxy morphology dichotomy observed in AGN.
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机译：在罐子里注意。我们在假设下探讨了无线电响度的途径，即逆行到巨型（M_（BH）〜10〜9m³）快速旋转 - （MBH Ping（A≥0.7）黑洞（BHS）导致发射强大的喷气机，如在无线电QSOS中所见，最近在Lat / Fermi和Bat / Swift Blazars中所见。逆转盘相对于BH旋转的逆向旋转在此与巨型（缺失的光）椭圆形祖（缺失）椭圆形祖属祖细胞血管。逆行吸收的发生作为统一元素，可以考虑在Agn中观察到的无线电响度/银河系形态二分法。
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