just–space: Hickson 91 in Piscis Austrinus : Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups . This sharp telescopic

just–space: Hickson 91 in Piscis Austrinus : Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups . This sharp telescopic

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