M has various meanings in the Astronomy category. Discover the full forms, definitions, and usage contexts of M in Astronomy.
Innermost of the planets Greatest angular distance from Sun is about 29deg. Very rarely observable, and then only near sunrise or sunset. Nautical almanac then gives a warning that its appearance may cause it to be mistaken for a star or another planet.
AstronomyMetric unit of length approximately 39.375 inches or 1,000mm. OR To regulate the amount or rate of fluid flow. In the OSI Communications Subsystem licensed program, the machine-readable form of an abstract syntax. The metatable is generated by the Abstract Syntax Checker and used by the OSI Communications Subsystem presentation layer to encode and decode data being exchanged. 39.37 inches. The measure of distances in the metric system.
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