adjective
- situated, occurring, or existing around a star or stars
Usage: astronomy; technical
Examples
- Astronomers detected a circumstellar disk of dust and gas around the young star.
- The circumstellar environment of massive stars is often turbulent and dynamic.
- Circumstellar material can eventually form planets orbiting the star.
- The telescope revealed circumstellar structures that had never been observed before.
- Many exoplanets are found within circumstellar habitable zones.