bn:03867961n
Noun Named Entity
Categories: Astronomical imaging, 1958 in California, Palomar Observatory, Astronomical surveys, 1958 in science
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National Geographic Society – Palomar Observatory Sky Survey  National Geographic Society - Palomar Observatory Sky Survey  NGS-POSS  Palomar Observatory Sky Survey  Palomar optical sky survey
EN
The National Geographic Society – Palomar Observatory Sky Survey was a major astronomical survey, that took almost 2,000 photographic plates of the night sky. Wikipedia
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EN
The National Geographic Society – Palomar Observatory Sky Survey was a major astronomical survey, that took almost 2,000 photographic plates of the night sky. Wikipedia
A major photographic survey of the night sky Wikipedia Disambiguation
Astronomical survey, that took almost 2,000 photographic plates of the night sky Wikidata