Cosmos Redshift 7 or CR7, a galaxy 12.9 billion light-years away from the Earth, is named after five-time Ballon d'Or winner Cristiano Ronaldo, who is known as CR7. The galaxy, discovered in 2015, is considered to be one of the oldest and the brightest galaxies in the universe. Ronaldo, who also has an airport named after him, turns 34 today.