Multiple Choice
Cosmology: The background microwave radiation, discovered in 1965 by Penzias and Wilson, has its peak intensity at a wavelength of 1.06 mm. What blackbody temperature does this wavelength imply for the universe? (σ = 5.670 × 10-8 W/m2 ∙ K4, Wien displacement law constant is 2.90 × 10-3 m ∙ K)
A) 2.7°C
B) -270°C
C) 0.0027 K
D) 0.00°C
E) -2.7°C
Correct Answer:

Verified
Correct Answer:
Verified
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