1965 - James Gunn[?] and Bruce Peterson[?] use observations of the relatively low absorption of the blue component of the Lyman-alpha line[?] from 3C9[?] to strongly constrain the density and ionization state of the intergalactic medium
... is a term for someone with absolute governmental power, from the Greek language turannos. In Classical Antiquity[?] it did not always have inherently negative ...