If the Spectrum of a Distant Galaxy Is Observed to Have

question 17

Multiple Choice

If the spectrum of a distant galaxy is observed to have a calcium K absorption line that occurs at a wavelength of 500.4 nm, what is this galaxy's distance if the rest wavelength of this absorption line is 393.4 nm? Assume the Hubble constant is 70 km/s/Mpc.

• A) 720 Mpc
• B) 950 Mpc
• C) 1,200 Mpc
• D) 2,500 Mpc
• E) 3,700 Mpc

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Win-Win Solution

A conflict resolution strategy where all parties involved reach a satisfying and beneficial outcome.

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A conflict resolution approach where one party makes concessions to satisfy the other party's concerns.

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Techniques and strategies for handling disagreements or disputes effectively to reduce negative outcomes.

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