Hubble's Law: If a Galaxy Is Moving Away from Us

question 48

Multiple Choice

Hubble's law: If a galaxy is moving away from us at 1.0% of the speed of light, use Hubble's law to estimate how far away it is from us 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) 14 ly
• B) 140 ly
• C) 140 thousand ly
• D) 140 million ly
• E) 140 billion ly

---

Definitions:

Oligopoly

A market structure in which a few companies dominate the industry, often leading to limited competition.

Human Relations

The study and practice of improving interactions among people, especially in a workplace or organizational setting.

Management

The act of coordinating and overseeing the operations of an organization or project, ensuring effective use of resources to meet objectives.