Module astro::consts 
            
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Some physical constants
Modules
| wgs72 | 
                              World Geodetic System 1972  | 
                    
| wgs84 | 
                              World Geodetic System 1984  | 
                    
Constants
| EARTH_MOON_MASS_RATIO | 
                              Earth-Moon mass ratio  | 
                    
| GAUSS_GRAV | 
                              Gaussian gravitational constant | in radians  | 
                    
| SPEED_OF_LIGHT | 
                              Speed of light in vaccum | in meters per second  | 
                    
| SUN_EARTH_MASS_RATIO | 
                              Sun-Earth mass ratio  |