Astronomers Have Found Large Quantities of Cold, Neutral Hydrogen Gas

question 22

Multiple Choice

Astronomers have found large quantities of cold, neutral hydrogen gas in our galaxy. How is this gas distributed?

• A) it is located only near stars, and not in the large empty spaces between them
• B) it is found mostly in a flat layer extending throughout the disk of our galaxy
• C) it is found in a spherical distribution about 100 LY in size, centered on the Sun
• D) it is found only in the outer regions of the galaxy, where we are, and not in the central areas
• E) we don't know its distribution, since such cold hydrogen cannot be observed with the techniques we have at our disposal today

---

Definitions:

Cognitive Appraisal

The process by which an individual evaluates and interprets a situation, influencing their emotional and psychological response to it.

Lazarus

Refers to Richard Lazarus, a psychologist who developed the cognitive-mediational theory which suggests that our emotional experience is influenced by our perceptions and evaluations of an event.

Understanding Emotion

The cognitive process of identifying and making sense of one's own feelings and the emotions of others.

Amygdala

A part of the brain involved in experiencing emotions, particularly those related to survival, such as fear and aggression.