public void ConvertLessThanOneSolarMass()
            {
                var input1         = 0.4;
                var expectedValue1 = 0.4 * SOLAR_MASS_IN_G;

                var input2         = 0.7;
                var expectedValue2 = 0.7 * SOLAR_MASS_IN_G;

                Assert.AreEqual(expectedValue1, UnitConversions.SolarMassesToGrams(input1), DELTA);
                Assert.AreEqual(expectedValue2, UnitConversions.SolarMassesToGrams(input2), DELTA);
            }
            public void ConvertOneSolarMass()
            {
                var expectedValue = SOLAR_MASS_IN_G;

                Assert.AreEqual(expectedValue, UnitConversions.SolarMassesToGrams(1), DELTA);
            }