Extragalactic

/ˌɛkstrəɡəˈlæktɪk/

Meaning & Definition

adjective

Relating to or denoting objects outside the Milky Way galaxy.

The extragalactic observations revealed several new galaxies previously hidden from view.

Pertaining to the study of astronomical phenomena beyond our galaxy.

Astrophysicists often focus on extragalactic research to understand the structure of the universe.

Describing phenomena or entities that exist outside the boundaries of our galaxy.

The team used advanced telescopes to capture images of extragalactic gamma-ray bursts.

Of or relating to regions outside the Milky Way galaxy.

Extragalactic astronomy has provided insights into the nature of dark matter.

From 'extra-' meaning 'beyond' and 'galactic' relating to the galaxy.

extragalactic astronomy

The branch of astronomy that deals with phenomena outside the Milky Way galaxy.

extragalactic object

Any celestial body that is located outside of the Milky Way galaxy.

galaxy

A system of stars, stellar remnants, interstellar gas, dust, and dark matter.

nebulas

A cloud of gas and dust in space, often a region where new stars are born.

cosmology

The science of the origin and development of the universe.

Out of this world

That view of the extragalactic sky was totally out of this world!

Deep space

He's planning to travel to some extragalactic deep space for his research.