In Discussing Galaxies and the Universe, Astronomers Often Talk About

question 198

Multiple Choice

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

---

Definitions:

Stress Inoculation

A coping strategy that involves exposing oneself to manageable levels of stress to build resilience.

Training Phases

Distinct periods or stages in a training program, each with specific goals and activities.

Skill Acquisition

The process through which a person learns and develops a new skill, often through practice and experience.

Generalization

The process of applying findings or conclusions from specific instances to broader contexts or populations.