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

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Definitions:

Temporary Setbacks

Short-term difficulties or obstacles that delay or impede progress but can be overcome with effort and resilience.

Barriers to Success

Various obstacles that prevent or hinder one's ability to achieve success or reach goals.

Changing Your Attitude

The process of intentionally adjusting one's mindset or outlook, often to become more positive, resilient, or open to new experiences.

Concentrating on Positive

The practice of focusing one's thoughts and energy on optimistic and beneficial aspects of a situation.