Space between galaxies, extremely vast.

A diffuse plasma that exists between galaxies.

(astronomy) A sparse, warm-to-hot (105 to 107 K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch.

250 px|thumb|The Virgo cluster of galaxies, where the phenomenon known as intergalactic stars was discovered

the hypothetical travel between galaxies.

cosmic dust in between galaxies in intergalactic space.

not an actual music group but rather a science fiction pop music concept album released in 1977 by the now defunct Passport Records in America and Charisma Records in England.