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
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There are 1,755 households out of which 43.6% have children under the age of 18 living with them, 67.6% are married couples living together, 11.5% have a female ...