circumstellar
1.circumstellar matter
2.Study for the Morphological Type of the Circumstellar Dust Shell of Herbig Ae/Be Star
3.A WHIRLING, swirling, circumstellar cloud of dust and gas gave birth to the Earth, or so astrophysicists have long believed.
4.A common character in these two group stars is presence of infrared excess, which is not attributed to the central star, but its circumstellar material.
5.Our conclusion is that we happened to observe an intensive short time-scale activity of the chromosphere of Arcturus characterized by mass outflow and outward motions of circumstellar matter.

