Results 31 to 40 of about 117,674 (141)
M-σ relations across cosmic time
Feedback from active galactic nuclei (AGN) has long been invoked to explain the correlation between black hole mass and stellar velocity dispersion (M-σ) discovered in low redshift galaxies. We describe the time evolution of AGN in the M-σ plane based on
David Garofalo +5 more
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Ideowe korzenie Czarnej Sotni. Recepcja zjawiska. (Ideological Roots of the Black Hundred)
Ideowe korzenie Czarnej Sotni. Recepcja zjawiska. (Ideological Roots of the Black Hundred) [w:] Na Wschód od linii Curzona (East of the Curzon Line). Pod redakcją Renaty Król-Mazur i Michała Lubiny. Księgarnia Akademicka, Kraków 2014, s.
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The genetic basis of wing spots in Pieris canidia butterflies
Spots in pierid butterflies and eyespots in nymphalid butterflies are likely non-homologous wing colour pattern elements, yet they share a few features in common.
Jocelyn Liang Qi Wee +3 more
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Since the launch of Chandra twenty years ago, one of the greatest mysteries surrounding Quasar Jets is the production mechanism for their extremely high X-ray luminosity. Two mechanisms have been proposed. In the first view, the X-ray emission is inverse-
Eric S. Perlman +6 more
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In a case study, this article re-examines three key aspects of the anti-Jewish pogroms of 1905-1906 in Tsarist Russia: the concept of “Black Hundreds” as the major perpetrators, the question of whether state authorities approved pogrom violence, and ...
Stefan Wiese
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My film revisits Muriel Rukeyser’s 1938 poem The Book of the Dead, a documentary work exposing the Hawks Nest Tunnel disaster, in which hundreds of mostly Black workers died of silicosis.
David Kelley
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THE COLOR PATTERN OF ALABIO DUCK (Anas platyrhynchos Borneo) IN SOUTH KALIMANTAN
The study was carried to identify the phenotypic variation of Alabio duck (Anas platyrhynchosBorneo) being kept by smallholder. This research was conducted in Hulu Sungai Selatan (HSS), HuluSungai Tengah (HST) and Hulu Sungai Utara (HSU), South ...
S. Suryana +3 more
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We study the impact of environmental effects on the measurement of the Hubble constant ( H _0 ) from gravitational-wave (GW) observations of binary black hole mergers residing in active galactic nuclei (AGNs) near the central supermassive black hole ...
Guo-Peng Li, Xi-Long Fan
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Stability of black hole accretion disks
We discuss the issues of stability of accretion disks that may undergo the limit-cycle oscillations due to the two main types of thermal-viscous instabilities.
Czerny B. +3 more
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Two hundred years of Methodism! A black theological inquiry into the heritage of Methodism in Southern Africa 1816-2016 [PDF]
A proverb of the Yoruba people of Nigeria says: ‘However far a stream flows, it never forgets its origin.’ The proverb gives credence to the epochal stories of the human race, and more importantly of the Methodist people in Southern Africa. This article evaluates the history of Methodist people in Southern Africa in the period 1816-2016 from a ...
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