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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

natural object go
an object occurring naturally

celestial body, heavenly body
natural objects visible in the sky

noun.object

9 Subcategories

minor planet, planetoid go
any of numerous small celestial bodies that move around the sun
planet, major planet go
(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light
planet go
any celestial body (other than comets or satellites) that revolves around a star
planetesimal go
one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
primary go
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it
quasar, quasi-stellar radio source go
a starlike object that may send out radio waves and other forms of energy
satellite go
any celestial body orbiting around a planet or star
star go
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
star go
any celestial body visible (as a point of light) from the Earth at night