Hubble's Law: If a Galaxy Is Receding from Us at 0.10c

question 28

Multiple Choice

Hubble's law: If a galaxy is receding from us at 0.10c. Use Hubble's law to estimate the distance to this galaxy if the Hubble constant is 22 km/s per million light-years. (c = 3.00 × 10⁸ m/s, 1 ly = 9.461 × 10¹⁵ m, 1 y = 3.156 × 10⁷ s)

• A) 1.4 × 10⁹ ly
• B) 6.6 × 10⁵ ly
• C) 6.6 × 10⁵ Mly
• D) 2.2 Mly
• E) 1.4 × 10⁷ Mly

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Definitions:

Best Course

A term that generally refers to the most effective or advantageous educational or instructional path for learning a specific subject or skill.

Bounded Rationality

A concept suggesting that in decision-making, individuals' rationality is limited by the information they have, the cognitive limitations of their minds, and the finite amount of time they have to make decisions.

Rational Model

A decision-making process that involves identifying a problem, generating alternative solutions, selecting the best option, and implementing it, assuming a logical and systematic approach.

Completely Rational

Refers to the assumption that individuals make decisions based on fully logical reasoning and have full information available to them.