Which of the Following Quantities Is Most Useful to Astronomers

question 58

Multiple Choice

Which of the following quantities is most useful to astronomers when measuring the dark matter content of galaxies?

• A) color
• B) age
• C) stellar velocities
• D) luminosity

---

Definitions:

Gender Equal

The state of ensuring equal rights, responsibilities, and opportunities irrespective of gender.

Gender Stereotype

Preconceived notions and oversimplified beliefs about the characteristics, attributes, and behaviors of males or females, which may influence leadership perceptions and opportunities.

Independence

The condition or quality of being self-reliant and free from outside control or support.

Rationality

Rationality refers to the quality or state of being logical or reasonable, based on facts or reason rather than emotions or personal bias.