n (Astronomy) astronomy a spheroidal aggregation of globular clusters, individual stars, dust, and gas that surrounds the GalaxyTranslationsalone galattico
galactic halo
galactic halo
See Galaxy. See also dark halo.
galactic halo
[gə′lak·tik ′hā·lō] (astronomy) The spherical distribution of oldest stars that are centered about the galactic center of the Milky Way Galaxy.