Answered

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When will a scientist observe redshift in the spectrum of a distant space object?

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


B.when the object is stationary


C.when the object is moving away from the scientist


D.when the object is moving toward the scientist

Sagot :

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I think B is correct answer

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A redshift in spectrum interpreted in cosmological parlance infers that an object is moving away from the observer due to the expansion of space.

  • A redshift is said to have occurred when light shifts towards the red end of the spectrum, this is caused due to longer wavelength as the space continues to expand.

  • More light is stretched as objects moves away from the observer, causing the wavelength of objects get longer and a resulting shift in light towards the red end of the spectrum.

Therefore, the most appropriate option is that, a redshift occurs when the object is moving away from the scientist.

Learn more :https://brainly.com/question/23577377

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