An excess of (microwave photons) may signal a decay of an axion.
A male can be principal investigator of a (differential microwave radiometer).
Principal investigator may pertain-to a (differential microwave radiometer).
A cosmic (microwave background) may originate in a big bang.
A discovery of (microwave fluctuations) can be revolutionary for physics.
A (precision investigation) may pertain-to a cosmic (microwave radiation).