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36. Physical Constants

This chapter describes macros for the values of physical constants, such as the speed of light, c, and gravitational constant, G. The values are available in different unit systems, including the standard MKS system (meters, kilograms, seconds) and the CGS system (centimeters, grams, seconds), which is commonly used in Astronomy.

The definitions of constants in the MKS system are available in the file `gsl_const_mks.h'. The constants in the CGS system are defined in `gsl_const_cgs.h'. Dimensionless constants, such as the fine structure constant, which are pure numbers are defined in `gsl_const_num.h'.

36.1 Fundamental Constants  
36.2 Astronomy and Astrophysics  
36.3 Atomic and Nuclear Physics  
36.4 Measurement of Time  
36.5 Imperial Units  
36.6 Nautical Units  
36.7 Printers Units  
36.8 Volume  
36.9 Mass and Weight  
36.10 Thermal Energy and Power  
36.11 Pressure  
36.12 Viscosity  
36.13 Light and Illumination  
36.14 Radioactivity  
36.15 Examples  
36.16 References and Further Reading  

The full list of constants is described briefly below. Consult the header files themselves for the values of the constants used in the library.


This document was generated by Michael Stenner on February, 14 2002 using texi2html