circumgalactic
Adjective
Meaning
circumgalactic (comparative more circumgalactic, superlative most circumgalactic)
(astronomy) Surrounding a galaxy
Examples
The study,"Ultraviolet Signatures of the Multiphase Intracluster and Circumgalactic Media in the RomulusC Simulation," was published in October of 2019 in the Monthly Notices of the Royal Astronomical Society.