336 APPENDIXES
Some Astronomical Data
Mass of the SunRadius of the SunAverage Distance between the Earth and the SunAverage Radius of the EarthMass of the EarthAverage Velocity of the Earth in Orbit about the SunAverage Distance between the Earth and the MoonOther Commonly Used Units
Angstrom (Å)FermiBarnYearAstronomical YearParsecRoom TemperatureHorsepowerCalorieAtmosphere