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A comet is approaching Earth at a known velocity. Indicate the proper sequence that describes the wavelength of light you measure as it first approaches, then passes, and finally recedes from Earth.

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Kazeemsodikisola

Answer:

Explanation:

When it was approaching, the wavelength is blue-shifted and the rest wavelength when it was receding the wavelength is redshifted.

Any planet is an extremely faint light source compared to its parent star. Comets are considered as the most primitive objects in the Solar System.

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