bn:00064363n
Noun Concept
Categories: Physical objects, Orbits
EN
primary  primary body  central body  gravitational primary
EN
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it WordNet 3.0
English:
astronomy
Definitions
Relations
Sources
EN
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it WordNet 3.0 & Open English WordNet
A primary body – also called a central body, host body, gravitational primary, or simply primary – is the main physical body of a gravitationally bound, multi-object system. Wikipedia
The larger of two co-orbiting bodies Wikipedia Disambiguation
The main physical body of a gravitationally bound, multi-object system Wikidata
The most massive component of a gravitationally bound system, such as a planet in relation to its satellites. Wiktionary
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EN