galactic halo

English - English

Definition of galactic halo in English English dictionary

In astronomy, a nearly spherical volume of thinly scattered stars, globular clusters, and tenuous gas observed surrounding spiral galaxies. It may extend far beyond the disk and contain most of the galaxy's mass. The halo of the Milky Way Galaxy is thought to have a radius greater than 100,000 light-years and to be predominantly composed of dark matter

Hyphenation

ga·lac·tic ha·lo

Turkish pronunciation

gıläktîk heylō

Pronunciation

/gəˈlaktək ˈhālō/ /ɡəˈlæktɪk ˈheɪloʊ/