- 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.
- Wezen (stars.astro.illinois.edu)
WEZEN (Delta Canis Majoris). Shining at third rank in Canis Major, the Greater Dog, at bright second magnitude (1.84), Wezen is not far behind the Dog’s Adhara.
