Associations to the word «Extragalactic»

Wiktionary

EXTRAGALACTIC, adjective. (astronomy) Originating outside of the Milky Way galaxy.
EXTRAGALACTIC, adjective. (astronomy) Originating outside of a galaxy
EXTRAGALACTIC BACKGROUND LIGHT, noun. All the accumulated radiation in the universe due to star formation processes, plus a contribution from active galactic nuclei (AGNs).[1]

Dictionary definition

EXTRAGALACTIC, adjective. Outside or beyond a galaxy; "extragalactic nebula".

Wise words

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