It's out of the closet for Xena and Gabrielle.

SkyTonight.com - Homepage News - All Hail Eris and Dysnomia:

Remember 2003 UB313, the body often called by its nickname, Xena?

Of course you do. Who could forget 2003 UB313? What a rock.

Well. 2003 UB313, formerly known as Xena, is now Eris, and its faithful moon, formerly named Gabrielle, is now Dysnomia, an obviously much cooler name. Although it does, you have to admit, sound like something that requires medication. Dysnomia, I mean.

And you thought astronomy was just sitting around and staring at stars all night. Oh no. It's much, much weirder than that.