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25 const double TWO_PI = 2.0*M_PI;
27 const double DEGREES_TO_RADIANS = M_PI/180.0;
28 const double RADIANS_TO_DEGREES = 180.0/M_PI;
30 const double SPEED_OF_LIGHT = 299792458.0;
32 const double AU_TO_METERS = 149597870700.0;
33 const double METERS_TO_AU = 1.0/149597870700.0;