// Physical constants
pub const SPEED_OF_LIGHT: f64 = 299_792.458; // km/s
pub const G: f64 = 6.67384e-11; // m^3 kg^-1 s^-2
pub const KM_TO_METERS: f64 = 1000.;
pub const MPC_TO_METERS: f64 = 3.08567758e22;
pub const MSOL_TO_KG: f64 = 1.9891e30;
pub const PC_TO_METERS: f64 = 3.08568e16;
pub const G_MSOL_MPC_KMS2: f64 = 4.301179e-09; // MSOL MPC-1 (Km/s)^2
// Programic constants
pub const SOLAR_MAG: f64 = 4.67;
// Trig constants
pub const RADIAN_IN_ARCSECONDS: f64 = 206264.8062471;