Stars in the Disks of Spiral Galaxies Have Orbits That

question 52

Multiple Choice

Stars in the disks of spiral galaxies have orbits that are

• A) randomly oriented.
• B) constantly getting larger.
• C) mostly aligned in the same plane.
• D) spiral-shaped.
• E) unaffected by dark matter.

---

Definitions:

General Form

Typically refers to the standardized or most commonly used version of an equation, document, or procedure.

Variables

Features or characteristics that can vary among individuals or over time and that researchers measure, manipulate, or control in a study.

Pearson Product-moment

A correlation coefficient indicating the degree of linear relationship between two variables.

Curvilinear Relationships

A relationship in a statistical model where the change in the outcome variable does not follow a straight line, but rather a curve, as the value of the predictor variable changes.