using System;
using System.Collections.Generic;
using System.Text;

namespace RandomUsefulThings.Physics
{
    class Astronomy
    {
        // cepheid population I luminosity vs pulsation period (approx):

        // actually -2.43 +- 0.12
        // meanLuminosity = -2.43 * log10(periodDays - 1) - 4.05
    }
}
