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Paragraph 1: What is the CMB? What, in general, does it provide evidence for? What are the recent investigations into resolving information on the CMB?
Paragraph 2: Include discussions of the two pieces of independent evidence predicting the existence of the CMB; what observations are made; how that data is collected.
Paragraph 3: Research and describe how the CMB was first detected using a horned radio antenna, as well as who found the signal.
Paragraph 4: Finally, research and include details of the latest measurements of the CMB using the Planck spacecraft.