extragalactic

adj — 3 senses

extragalactic

adj

Etymology From extra- + galactic.

1

Astronomy, Natural sciences Originating outside of the Milky Way galaxy.

Extragalactic astronomy is the study of things outside the Milky Way.

2

Astronomy, Natural sciences Originating outside of any galaxy.

3

Literature, Media, Publishing, Science fiction Originating outside of the local galaxy.

Derived terms: extragalactic background light
Related terms: extraplanetary, extrasolar, extraterrestrial, Galactic, galactic, galaxy, intergalactic, intragalactic, supergalactic, transgalactic

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.