A Star Is Moving Towards the Earth with a Speed

question 50

Multiple Choice

A star is moving towards the earth with a speed at 90% the speed of light.It emits light,which moves away from the star at the speed of light.Relative to us on earth,what is the speed of the light moving toward us from the star?

• A) 0.90c
• B) c
• C) 1.1c
• D) 1.20c
• E) 1.9c

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Definitions:

Mid-19th Century

The period approximately between 1830 to 1870, marked by significant industrial, social, and political changes in many parts of the world.

American Culture

Refers to the set of customs, traditions, and values of the people living in the United States.

European Influence

Refers to the impact and effect European cultures, policies, and economics have had on other regions worldwide, shaping global history, colonization, and international relations.

American Colonization Society

A group established in the early 19th century advocating for the relocation of free African Americans to what is now Liberia.