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Authored by Aaron H
Science
6th Grade
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radio astronomers Arno Penzias and Robert Wilson discovered a microwave signal during their research in 1964. The microwaves were uniform and coming from all directions in the sky. The phenomenon known as Cosmic Microwave Background (CMB) provided evidence that the universe was once very hot and dense.
How did CMB contribute to the big bang theory?
CMB represented energy trails from moving matter that began with the big bang.
CMB was a reflection of the thermal energy generated during the big bang.
CMB confirmed how matter expanded during the big bang.
CMB was the magnetic field that was created during the big bang.
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