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“extragalactic”
extragalactic (adjective), more extragalactic, most extragalactic
In astronomy, concerning the existence or occurrence of objects outside the large group of stars and planets that the Earth and the sun are part of: Since instruments for outer space have been improved over time, distant extragalactic matter can be observed and examined in greater detail.
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extra, extra-, extro-, extr-, exter-
(page 2)
galacto-, galact-, -galaxy
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“extragalactic”
extragalactic
Outside of, or beyond, our galaxy: such as, the Milky Way Galaxy.
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Astronomy and related astronomical terms
(page 10)
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“extragalactic”
extragalactic astronomy
The astronomical field that deals with objects beyond the Milky Way; especially, galaxies and quasars.
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Astronomy and related astronomical terms
(page 11)