Colour photograph of a pair of spiral galaxies (NGC 5857 and NGC 5859) in constellation Bootes. Photographed at the Lick Observatory in Sacramento. Dated 20th century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, 5857, 5859, america, american, archival, archive, astronomy, bootes, boötes, century, colour, constellation, constellations, early, galaxies, galaxy, historical, history, lick, ngc, observation, observatory, pair, photograph, photography, sacramento, space, spiral, star, stars, states, united, usa