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Astronomical Phenomena

"Astronomical Phenomena" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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Aggregates of matter in outer space, such as stars, planets, and comets; their properties; and the processes they undergo.

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This graph shows the total number of publications written about "Astronomical Phenomena" by people in this website by year, and whether "Astronomical Phenomena" was a major or minor topic of these publications.
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