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The two engineers who discovered the cosmic microwave background worked for:

A. NASA
B. The CIA
C. The Air Force
D. A phone company

Sagot :

GinnyAnswer

Final answer:

Penzias and Wilson discovered the Cosmic Microwave Background while looking for astronomical sources using a microwave antenna.


Explanation:

Penzias and Wilson were looking to measure astronomical sources with a delicate microwave antenna they built at AT&T's Bell Laboratories. They discovered the Cosmic Microwave Background (CMB), a faint afterglow of radio waves that permeates the universe, coming from all directions at once.


Learn more about Discovery of the Cosmic Microwave Background here:

https://brainly.com/question/42297106


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