pub const TITAN_MASS: f64 = 1.3452e23;
pub const TITAN_RADIUS_M: f64 = 2_574_730.0;
pub const SATURN_MASS: f64 = 5.6834e26;
pub const SATURN_RADIUS_M: f64 = 58_232_000.0;
pub const SATURN_TITAN_DISTANCE_M: f64 = 1_221_870_000.0;
pub const SIDEREAL_ORBIT_PERIOD_S: f64 = 15.945 * 86_400.0;
pub const SYNODIC_PERIOD_S: f64 = 15.95 * 86_400.0;
pub const SURFACE_GRAVITY_M_S2: f64 = 1.352;
pub const ESCAPE_VELOCITY_M_S: f64 = 2_639.0;
pub const GEOMETRIC_ALBEDO: f64 = 0.22;
pub const SOLAR_CONSTANT_AT_TITAN_W_M2: f64 = 15.0;
pub const H24_RUNTIME_HOURS: u64 = 24;
pub const TITAN_DAY_HOURS: f64 = 382.7;
pub const MIN_SURFACE_TEMP_K: f64 = 72.0;
pub const MAX_SURFACE_TEMP_K: f64 = 94.0;
pub const COSMIC_RAY_DOSE_MSV_DAY: f64 = 0.3;

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;
