Estimate the Speed of a Galaxy Away from Us If

question 51

Multiple Choice

Estimate the speed of a galaxy away from us if it is 10 billion light-years from us and if the Hubble constant is 22 km/s per million light-years.(c = 3.00 × 10⁸ m/s, , 1 y = 3.156 × 10⁷ s)

• A) 0.1c
• B) 0.3c
• C) 0.5c
• D) 0.7c
• E) 0.9c

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Definitions:

Philanthropy

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A term encompassing various forms of opposition and struggle by African people against European colonialism, cultural assimilation, and exploitation throughout the continent's history.

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The period, primarily between the 15th and 20th centuries, when European powers expanded their territories globally through colonization and conquest.