Concept information
Preferred term
Voids
Definition
- A large region of cosmic space without galaxies. The first of these voids to be discovered lies in the direction of Bootes and is some 300 million light-years across. It is estimated that voids take up about 98% of the volume of the Universe, with clusters of galaxies concentrated in the thin walls that surround them. (en)
Broader concept
- Cosmic web (en)
- Galaxy physics (en)
- Intergalactic medium (en)
- Large-scale structure of the universe (en)
Entry terms
- Galaxy voids (en)
- Intergalactic voids (en)
Editorial note
URI
http://astrothesaurus.org/uat/1779
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