Meaning & Definition of word "Extragalactic"

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.