Which Distance Indicator Can Be Used to Measure the Most

question 14

Multiple Choice

Which distance indicator can be used to measure the most distant objects?

• A) Cepheids
• B) Parallax
• C) Type Ia supernovae
• D) Main-sequence fitting

---

Definitions:

Extrinsic Rewards

Rewards provided by an external source, such as money, grades, or praise, which can motivate behavior that might not occur otherwise.

Intrinsic Rewards

Motivational rewards that are internal to the individual, such as personal satisfaction, a sense of achievement, or a feeling of fulfillment.

Valence Rewards

Refers to the desirability of the reward outcomes, according to the expectancy theory, influencing the motivation of individuals.

Merit Pay

A salary increase awarded to employees based on their job performance, as a method to motivate and reward excellence.