"Planets" 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.
Heavenly bodies with their own motion among the stars, revolving, in the case of the solar system, around the sun, along the plane of the ecliptic. They are grouped into inner planets and outer planets, based on distance from the sun and common characteristics.
Below are MeSH descriptors whose meaning is more general than "Planets".
Below are MeSH descriptors whose meaning is more specific than "Planets".
This graph shows the total number of publications written about "Planets" by people in this website by year, and whether "Planets" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.