Physics · Cosmology
Which of the following best describes the Cosmic Microwave Background (CMB) radiation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The combined light visible from all existing stars in the universe
- 2The cooled thermal remnant of the first light from the early universe✓
- 3A continuous stream of high-energy particles from solar flares
- 4The intense radiation emitted by active supermassive black holes
Correct answer
The cooled thermal remnant of the first light from the early universe
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