This results in a steady buildup of a helium - rich core, surrounded by a hydrogen -
rich outer region.
Not exact matches
This is because pockets of gas
rich in heavy elements would be created if a comet in the
outer regions of a solar system got vaporised by a dying star in its red giant phase or by the expanding planetary nebula that follows it (arxiv.org/abs/1001.4513).
These objects result from low temperature accretion in the
outer regions and they are thought to be ice -
rich.
This is very common in very
rich clusters - the elliptical / lenticular galaxies are usually found in the centre, and the spiral / irregular galaxies are usually found in the
outer regions.
Darkness and light, the known and unknown, are all forces that coexist in Bas's works, creating otherworldly,
rich images,
regions defined by the
outer reaches of imagination, and a nature rendered both familiar and strange.