Redshift and Blueshift Quick Check

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Question
When will a scientist observe redshift in the spectrum of a distant space object?(1 point)
Responses

when the object is in the same frame of reference as the scientist
when the object is in the same frame of reference as the scientist

when the object is moving away from the scientist
when the object is moving away from the scientist

when the object is stationary
when the object is stationary

when the object is moving toward the scientist
when the object is moving toward the scientist
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User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
2 hours ago

A scientist will observe redshift in the spectrum of a distant space object **when the object is moving away from the scientist**. Redshift occurs when the wavelength of light is stretched, which typically happens when an object is receding from the observer.