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Q. Which of the following are sources of cosmic microwave background radiation:
  1. Stars
  2. Galaxies
  3. Pulsars
Select the correct option from the codes given below:
Answer: None of the 1, 2 or 3
Notes: Cosmic microwave background radiation (CMB) originates from the early universe, shortly after the Big Bang, during the recombination era. It is not emitted by stars, galaxies, or pulsars. Instead, it is the remnant thermal radiation that fills the universe and provides evidence for the Big Bang theory.
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📌 Question Number: 10 in 44: Geography - Astronomy and Solar System in the above course in App.