superbubble
nounEtymology From super- + bubble.
1
Astronomy, Natural sciences A very large region of space, relatively free of matter, carved out of the interstellar medium by the combination of multiple supernova bubbles resulting from supernovae.
- Synonyms
- supershell
- Related terms
- heliosphere, astrosphere, circumgalactic medium, intergalactic cloud, intergalactic medium, interplanetary medium, interstellar cloud, interstellar medium, intracluster medium, nebula