Definition

1. Noun:
   • The region of space existing between galaxies: "Intergalactic space" refers to the vast, largely empty expanses that separate distinct galaxies in the universe. It is not a complete vacuum but contains extremely sparse gas, dust, and dark matter.

Usage

• As a noun: The term is used as a singular, uncountable noun to describe a specific type of astronomical environment.
  • Scientists study the composition of intergalactic space.
  • The probe was designed to travel through intergalactic space.

Examples

Advanced Usage

• In scientific context: The term is primarily used in astrophysics and cosmology to discuss the properties, such as density and temperature, of the matter and radiation found between galaxies.
  • The study focused on the ionized hydrogen in intergalactic space.

Variants and Related Words

• Intergalactic (adjective): Of or relating to the regions between galaxies.
  • An intergalactic void.
• Intergalactic medium (noun phrase): The sparse matter that exists in intergalactic space.
  • The intergalactic medium is mostly hot, ionized gas.

Synonyms

• Intergalactic void: Emphasizes the emptiness, though not technically a perfect vacuum.
• Extragalactic space: A very close synonym, sometimes used interchangeably, though it can more broadly mean "outside of a galaxy."

Related Phrases

• To traverse intergalactic space: To travel across the space between galaxies.
  • In science fiction, starships often traverse intergalactic space.

Noun

1. the space between galaxies
   • the Milky Way travels through intergalactic space