In other words, Xena has been renamed.

Now I don't get to yell "Ei Ei Ei Ei Ei Eieeeee" when talking about astronomy.
Of course, after all the Chaos it caused, the name makes sense
MSNBC

Now I don't get to yell "Ei Ei Ei Ei Ei Eieeeee" when talking about astronomy.
The christening of Eris, named after the Greek goddess of chaos and strife, was announced by the International Astronomical Union on Wednesday. Weeks earlier, the professional astronomers' group stripped Pluto of its planethood under new controversial guidelines.
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After much bickering, astronomers last month voted to shrink the solar system to eight planets, downgrading Pluto to a "dwarf planet," a category that also includes Eris and the asteroid Ceres.
Of course, after all the Chaos it caused, the name makes sense
MSNBC