The First Scientific Attempt to Map the Milky Way Galaxy

question 79

Multiple Choice

The first scientific attempt to map the Milky Way galaxy

• A) showed that the sun was located in the center of the system of planets making up our galaxy.
• B) showed that our galaxy is a round ball on which we live.
• C) showed that our galaxy has 9 stars.
• D) used globular clusters to determine the location of the center of the Earth.
• E) was completed by William and Caroline Herschel.

---

Definitions:

Independent Groups Design

A research design in which different groups of participants are exposed to different conditions or levels of the independent variable.

Variable Manipulation

The process of intentionally changing variables to test their effects in an experiment.

Environmental Factors

Aspects of the environment that can affect processes, behaviors, and the performance of individuals or groups.

Alcohol Consumption

The act of drinking beverages containing ethanol, commonly measured in terms of frequency and quantity.