Also known as: rm.
RM has various meanings in the Astronomy category. Discover the full forms, definitions, and usage contexts of RM in Astronomy.
An instrument that quantitatively measures electromagnetic radiation. Weather satellites carry radiometers to measure radiation from snow, ice, clouds, bodies of water, the Earth's surface, and the sun. Radiometer a passive receiver that detects energy from a transmitting source or rera-diated energy from a target.
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