What do we mean by the interstellar medium?
A)the dust that fills the halo of the Milky Way Galaxy
B)the middle section of the Milky Way Galaxy
C)the gas and dust that lies in between the stars in the Milky Way Galaxy
D)the name of an oracle who can channel messages from beings that live near the star called Vega

Question

Quizplus · Accepted Answer

The interstellar medium refers to the gas and dust that fills the space between stars in a galaxy. This material plays an important role in the formation and evolution of stars, as well as in the spread of chemical elements throughout the galaxy. A is incorrect because not all the interstellar medium is dust. B is incorrect because the interstellar medium does not refer to a specific section of the Milky Way Galaxy. D is incorrect because it is simply not true.

What Do We Mean by the Interstellar Medium