In discussing galaxies and the universe, astronomers often talk about "voids." What are voids?
A) large expanses of space between galaxies where there is essentially no gas or dust
B) holes in some galaxies where a collision by another, smaller galaxy has removed the dust, gas, and stars in that region
C) volumes of space hundreds of millions of light-years across that contain almost no galaxies
D) regions in clusters of galaxies that seem to be devoid of matter

Question

Quizplus · Accepted Answer

Voids are vast regions in the universe, hundreds of millions of light-years across, that contain very few galaxies, making them some of the largest structures in the cosmos.

In Discussing Galaxies and the Universe, Astronomers Often Talk About