pub const PHOBOS_MASS: f64 = 1.0659e16;
pub const PHOBOS_RADIUS_M: f64 = 11_267.0;
pub const MARS_MASS: f64 = 6.4171e23;
pub const MARS_RADIUS_M: f64 = 3_389_500.0;
pub const MARS_PHOBOS_DISTANCE_M: f64 = 9_376_000.0;
pub const SIDEREAL_ORBIT_PERIOD_S: f64 = 0.319 * 86_400.0;
pub const SYNODIC_PERIOD_S: f64 = 0.32 * 86_400.0;
pub const SURFACE_GRAVITY_M_S2: f64 = 0.0057;
pub const ESCAPE_VELOCITY_M_S: f64 = 11.39;
pub const GEOMETRIC_ALBEDO: f64 = 0.071;
pub const SOLAR_CONSTANT_AT_PHOBOS_W_M2: f64 = 590.0;
pub const H24_RUNTIME_HOURS: u64 = 24;
pub const PHOBOS_DAY_HOURS: f64 = 7.66;
pub const MIN_SURFACE_TEMP_K: f64 = 150.0;
pub const MAX_SURFACE_TEMP_K: f64 = 308.0;
pub const COSMIC_RAY_DOSE_MSV_DAY: f64 = 0.5;
pub mod environment;
pub mod exosphere;
pub mod geodata;
pub mod geology;
pub mod interactions;
pub mod lighting;
pub mod missions;
pub mod observation;
pub mod physics;
pub mod rendering;
pub mod resources;
pub mod surface;
pub mod temporal;
pub mod terrain;