Dark galaxies (source code)

= Dark galaxies
{wiki=Dark_galaxies}

Dark galaxies are hypothetical structures in the universe that are thought to contain large amounts of dark matter but very little or no visible matter, such as stars or gas. Unlike typical galaxies, which are composed of stars, planets, and other luminous objects, dark galaxies would be primarily made up of dark matter, making them difficult to detect with conventional telescopes that observe electromagnetic radiation.