Correct-Answer to Question #23:
Where does CMBR originate?




Q.  Where does Cosmic Microwave Background Radiation originate?

A.  From the "Oort Soup" -- all sorts of planetesimals and planets in interstellar space, distant from stars.

Q.  When was this "Oort Soup" recognized?
A.  Fairly recently, though its effects on rotation of galaxies was known 80 years ago, when it was called "Dark Matter".

Q.  How is CMBR generated?
A.  It's just normal black-body radiation from matter at low temperatures, under 3 K.

Q.  Where can I find out more?





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