Also known as: nm.
NM has various meanings in the Astronomy category. Discover the full forms, definitions, and usage contexts of NM in Astronomy.
A unit of measurement equivalent to one millionth of a meter. OR A unit of length, equal to 10-9 meters, and equal to 10 Å (Angstroms).
AstronomySedimentary rock are types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water. Sedimentation is the collective name for processes that cause mineral and/or organic particles to settle and accumulate or minerals to precipitate from a solution.
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