It also suggests that dust in extended galactic haloes may be obscuring our view of the farthest objects in the Universe. (newscientist.com)
The «Local Bubble» of low - density, hot and ionized gas, is actually part of a tube - like chimney that extends through the local region of the spiral disk into the surrounding galactic halo, and so may can act as a vent for the energetic hot gas produced by supernovae (more). (members.nova.org)
The local void of gas extends out of the galactic disk and stretches into the overlying galactic halo region. (members.nova.org)