As of 2009, it was "moon" and "sun." http://www.airspacemag.com/daily-planet/moon-vs-moon-a-study-in-arrant-pedantry-152666843/ http://www.airspacemag.com/dail

As of 2009, it was "moon" and "sun." http://www.airspacemag.com/daily-planet/moon-vs-moon-a-study-in-arrant-pedantry-152666843/ http://www.airspacemag.com/daily-planet/moon-vs-moon-a-study...