Hyperonyms
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06097775-n:
the branch of astronomy concerned with the physical and chemical properties of celestial bodies
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Related
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02703438-a:
pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe
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Related
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02703438-a:
pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe
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Related
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09819667-n:
an astronomer who studies the evolution and space-time relations of the universe
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Domain
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05887911-n:
(cosmology) the theory that the universe originated sometime between 10 billion and 20 billion years ago from the cataclysmic explosion of a small volume of matter at extremely high density and temperature
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Domain
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05888215-n:
(cosmology) the theory that the solar system evolved from a hot gaseous nebula
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Domain
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05888377-n:
(cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals
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Domain
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05888572-n:
(cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other
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Domain
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07408796-n:
(cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe
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Domain
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07409255-n:
(cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang
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Domain
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09247071-n:
(cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter
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Domain
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09449282-n:
(cosmology) a hypothetical one-dimensional subatomic particle having a concentration of energy and the dynamic properties of a flexible loop
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Domain
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11441077-n:
(cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin
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Domain
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13590598-n:
(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
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Domain
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14582025-n:
(cosmology) the original matter that (according to the big bang theory) existed before the formation of the chemical elements
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Domain
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14582220-n:
(cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force
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Glosses
(gloss)
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00644583-v:
consider in detail and subject to an analysis in order to discover essential features or meaning
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Glosses
(gloss)
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04931965-n:
the manner of construction of something and the arrangement of its parts
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Glosses
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06097775-n:
the branch of astronomy concerned with the physical and chemical properties of celestial bodies
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Glosses
(gloss)
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07323922-n:
an event that is a beginning; a first part or stage of subsequent events
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Glosses
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09466280-n:
everything that exists anywhere
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Glosses
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13464820-n:
a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)
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Glosses
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11063309-n:
an English astrophysicist and advocate of the steady state theory of cosmology; described processes of nucleosynthesis inside stars (1915-2001)
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