Meaning & Definition of word "Extragalactic"
Extragalactic
/ˌɛkstrəɡəˈlæktɪk/
adjective:
- 1. Relating to or denoting objects outside the Milky Way galaxy.
- Example: The extragalactic observations revealed several new galaxies previously hidden from view.
- 2. Pertaining to the study of astronomical phenomena beyond our galaxy.
- Example: Astrophysicists often focus on extragalactic research to understand the structure of the universe.
- 3. Describing phenomena or entities that exist outside the boundaries of our galaxy.
- Example: The team used advanced telescopes to capture images of extragalactic gamma-ray bursts.
- 4. Of or relating to regions outside the Milky Way galaxy.
- Example: Extragalactic astronomy has provided insights into the nature of dark matter.
Etymology
●From 'extra-' meaning 'beyond' and 'galactic' relating to the galaxy.
Common Phrases and Expressions
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.
Related Words
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.
Slang Meanings of extragalactic
Meaning: Out of this world
● Example Sentence: That view of the extragalactic sky was totally out of this world!
Meaning: Deep space
● Example Sentence: He's planning to travel to some extragalactic deep space for his research.