The temperature of cosmic background radiation is approximately: A. - 270 degrees C B. - 3 degrees C C. 0 degrees C D. 270 degrees C
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The temperature of cosmic background radiation is approximately: A. - 270 degrees C B. - 3 degrees C C. 0 degrees C D. 270 degrees C
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Explanation:
the CMB radiation is very cold, only 2.725° above absolute zero, thus this radiation shines primarily in the microwave portion of the electromagnetic spectrum, and is invisible to the naked eye. However, it fills the universe and can be detected everywhere we look
option a 270 degree is correct