private Planet GetTestPlanetAtmosphere()
{
var planet = new Planet();
planet.Star = GetTestStar();
planet.Star.EcosphereRadiusAU = System.Math.Sqrt(planet.Star.Luminosity);
planet.SemiMajorAxisAU = 0.723332;
planet.Eccentricity = 0.0067;
planet.AxialTiltDegrees = 2.8;
planet.OrbitZone = Environment.OrbitalZone(planet.Star.Luminosity, planet.SemiMajorAxisAU);
planet.DayLengthHours = 2802;
planet.OrbitalPeriodDays = 225;
planet.MassSM = 0.000002447;
planet.GasMassSM = 2.41E-10;
planet.DustMassSM = planet.MassSM - planet.GasMassSM;
planet.RadiusKM = 6051.8;
planet.DensityGCC = Environment.EmpiricalDensity(planet.MassSM, planet.SemiMajorAxisAU, planet.Star.EcosphereRadiusAU, true);
planet.ExosphereTempKelvin = GlobalConstants.EARTH_EXOSPHERE_TEMP / Utilities.Pow2(planet.SemiMajorAxisAU / planet.Star.EcosphereRadiusAU);
planet.SurfaceAccelerationCMSec2 = Environment.Acceleration(planet.MassSM, planet.RadiusKM);
planet.EscapeVelocityCMSec = Environment.EscapeVelocity(planet.MassSM, planet.RadiusKM);
planet.IsGasGiant = false;
planet.Atmosphere.SurfacePressure = 92000;
planet.DaytimeTempKelvin = 737;
planet.NighttimeTempKelvin = 737;
planet.SurfaceTempKelvin = 737;
planet.SurfaceGravityG = 0.9;
planet.MolecularWeightRetained = Environment.MinMolecularWeight(planet);
return(planet);
}
public void GetEscapeVelocity()
{
Mass massSM = Mass.FromEarthMasses(2.0);
Length radius = Length.FromKilometers(10000.0);
Assert.AreEqual(Env.EscapeVelocity(massSM.SolarMasses,
radius.Kilometers) / 1e5,
_phy.Dynamics.GetEscapeVelocity(massSM,
radius).KilometersPerSecond,
VeryHighDelta);
}