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Which observational tool helped astronomers Arno Penzias and Robert Wilson discover the
(CMB)?
A.
optical telescope
B. radio telescope
C. a digital camera
D. space telescope
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Respuesta :

Answer:

A radio telescope helped the astronomers discover the CMB.

Explanation:

  • Penzias and Wilson while experimenting with a radio telescope in 1964, accidentally discovered the radiation that exists universally also known as the CMB.
  • This was used to support the "Big Bang Theory" and not the "Steady State Theory"
  • CMB is the faint cosmic radiation that fills up the universe. It provides important data for understanding early universe.
  • This data tells us about the composition of the universe and its age which raises new questions about the universe.

Answer:

A radio telescope helped the astronomers discover the CMB.

Explanation: