The cosmic background radiation corresponds to a temperature of about
A) 1.4 K.
B) 2.7 K.
C) 3.8 K.
D) 4.9 K.
E) 5.5 K.

Name: The cosmic background radiation corresponds to a temperature of about A) 1.4 K. B) 2.7 K. C) 3.8 K. D) 4.9 K. E) 5.5 K.
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The cosmic background radiation corresponds to a temperature of about 2.7 K, which was first detected in 1964 by Penzias and Wilson. This radiation is believed to be leftover radiation from the Big Bang and is a cornerstone of modern cosmology.

The Cosmic Background Radiation Corresponds to a Temperature of About