One of Earth’s seven quasi-moons has just got a new name: Asteroid 2004 GU9 is now known as Cardea, one of the Roman deities of doors and thresholds with a particular focus on hinges. Cardea is ...

What they're saying In his entry, the sophomore from Douglasville said that Cardea was the Roman goddess of doorways and transitions - a fitting name for a quasi-moon that's "forever straddling ...