Which of the Following Is NOT a Characteristic of a Spiral

question 10

Multiple Choice

Which of the following is NOT a characteristic of a spiral galaxy?

• A) most of its material is in the shape of a flattened disk
• B) it has quite a bit of gas and dust in it
• C) it has young stars and bright emission nebulae
• D) when we take spectra of its stars, they have far less of the heavier elements than the Sun
• E) the bright stars in it can be seen organized into distinct spiral arms

---

Definitions:

Survey Research

Survey research involves collecting data and information from a sample of individuals through their responses to questions, assessing opinions or behaviors.

Participants

Individuals who take part in a particular activity or event, especially in the context of research or experiments.

Dishonest Answers

Responses provided by individuals that intentionally hide the truth or mislead, often for personal gain or to avoid negative outcomes.

Correlation

Usually a number between +1.0 and -1.0 that indicates whether and how much two variables are related. Correlation indicates whether an increase in one variable will increase or decrease another variable. Correlation indicates only that two variables are somehow related, not that one variable causes the other to increase or decrease.