If a Galaxy Is Moving Away from Us at 1

question 16

Multiple Choice

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

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Definitions:

Independent Black Filmmakers

Black filmmakers who operate outside the major film studio system, often exploring themes of racial identity, culture, and social issues.

Distribution Networks

Systems of intermediaries and channels that goods or services pass through from producer to end consumer.

Oscar Micheaux

A pioneering African American filmmaker and author, known for his work in the silent and early sound film eras, highlighting the complexities of race and social issues.

Motion Pictures

Films or movies; a sequence of images projected onto a screen, creating the illusion of movement.