What Would You Predict for the Recession Velocity of a Galaxy

question 1

Multiple Choice

What would you predict for the recession velocity of a galaxy whose distance (measured with the help of Type Ia supernovae) is 42 Mpc? Note that the Hubble constant has a value of
70 km/s/Mpc.

• A) 2,940 km/s
• B) 1.42 km/s
• C) 205,800 km/s
• D) 25,000 km/s
• E) 386 km/s

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Definitions:

Diagram

A simplified drawing using lines and symbols to represent structures, systems, or processes, aiding in the explanation or analysis of data and concepts.

Payoff Matrix

A table that shows the potential outcomes of different strategies in a decision-making process, typically used in game theory to analyze interactions between multiple players.

Duopoly

A market structure where only two sellers compete directly against each other, offering similar goods or services.

Collude

When two or more entities, often companies, agree to work together secretly, especially in an illegal or deceitful way, to deceive, mislead, or defraud others of their legal rights, or to obtain an unfair advantage.