If the Wavelength of the Background Radiation Peaked at 1 $\mu$

question 9

Multiple Choice

If the wavelength of the background radiation peaked at 1 $\mu$ m at the time of recombination, how old was the universe then compared to its age today?

• A) 1/10th as old
• B) 1/100th as old
• C) 1/1,000th as old
• D) 1/10,000th as old
• E) 1/100,000 as old

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