- Earth–Moon system (Wikipedia)
The Earth and the Moon form the Earth-Moon satellite system with a shared center of mass, or barycenter. This barycenter stays located at all times 1,700 km (1,100 mi) (about a quarter of Earth’s radius) beneath the Earth’s surface, making the Moon seemingly orbit the Earth.
- Patrick Henry Ray (Wikipedia)
Patrick Henry Ray (May 8, 1842 in Waukesha County, Wisconsin – 1911), was a brigadier general in the United States Army. His father, Adam E. Ray, was a member of the Wisconsin State Assembly. An uncle, George Augustus Ray, was also a member. On April 22, 1889, Ray married Ada Blackman.