What is a galactic wind?
A)a jet of ionized particles shot out of a starburst galaxy
B)hot gas erupting into intergalactic space from a large superbubble
C)the heat (infrared radiation)emitted by dust grains in the large molecular clouds of starburst galaxies
D)the cooler gas pushed out of a starburst galaxy by the intense radiation pressure
E)a wind created by the expansion of the universe that can move galaxies around

Question

Quizplus · Accepted Answer

A galactic wind is hot gas that is blown out of a galaxy into intergalactic space, often due to the energy released by a starburst or supernova explosion. This hot gas can create a superbubble, which can eventually burst and release the gas into the surrounding space in a galactic wind. Option B describes this phenomenon most accurately.

What Is a Galactic Wind