A Star Is Moving Toward Earth at 90% the Speed

question 25

Multiple Choice

A star is moving toward Earth at 90% the speed of light.The star emits light,which moves away from the star at the speed of light.What do Earth-based astronomers measure for the speed of this light?

• A)c
• B)1.9c
• C)1.2c
• D)0.98c
• E)0.95c

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Definitions:

Winning

Achieving victory in a competition or contest.

Constructive Play

A form of play that involves building or creating something, often allowing children to develop cognitive and motor skills.

Imaginary Friend

A non-real friend created in the mind of a child, which can play a role in social and emotional development.

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