Researchers find a tiny moon around a large unnamed dwarf planet

2007 OR is the largest body in the solar system with no common name. And now, the no-name dwarf planet with a diameter between 800 and 950 miles (1,290–1,528km) has been discovered to have a moon.
Read more: http://www.astronomy.com/news/2017/05/new-moon-around-dwarf-planet?source=Snapzu