Astrophysics (index)about

galactic halo

(spherical region around a galaxy with gas, dark matter, etc.)

A galactic halo is a region around the visible part of a galaxy, i.e., the bulk of the stars, with less visible parts of the same gravity-bound structure. Includes:

Galactic halos also have dust.

(galaxies,dark matter,plasma)

Referenced by:
astronomical quantities
Gould's Belt
high-velocity star
high-velocity cloud (HVC)
MACHO Project
Polar-ring Catalog (PRC)
Smith Cloud