The Cosmic Background Radiation Permeating the Universe Has the Spectrum $2.7 - \mathrm { K }$

question 21

Short Answer

The cosmic background radiation permeating the universe has the spectrum of a $2.7 - \mathrm { K }$ blackbody radiator. What is the peak wavelength of this radiation? The constant in Wien's law is $0.0029 \mathrm {~m} \cdot \mathrm { K }$ .

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Definitions:

Contingent Liabilities

Potential obligations that may arise in the future due to past events, the occurrence and amount of which are uncertain.

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A term used to describe something that is likely to occur or is likely true.