The background radiation in space corresponds to what temperature blackbody radiation?
A) 0 K
B) 2.7 K
C) 273 K
D) 5800 K
E) 98.6$^{\circ}$F

Question

Quizplus · Accepted Answer

The background radiation in space is known as the cosmic microwave background (CMB) and corresponds to a temperature of approximately 2.7 Kelvin or -270.45 degrees Celsius. This temperature is often referred to as the "relic radiation" from the Big Bang, and it is observed as a nearly uniform glow across the sky in all directions.

The Background Radiation in Space Corresponds to What Temperature Blackbody ∘^{\circ}∘

The Background Radiation in Space Corresponds to What Temperature Blackbody $^{\circ}$