intergalactic matter

intergalactic matter

[‚in·tər·gə¦lak·tik ′mad·ər]
(astronomy)
The material between the galaxies.
References in periodicals archive ?
The Cosmic Origins Spectrograph used for the quasar observations aboard Hubble was designed to probe the evolution of galaxies, stars and intergalactic matter.
Silk then tests the big-bang theory, and describes dark matter and intergalactic matter.
Evolution of galaxies and the intergalactic matter can be studied by looking at quasar absorption lines.