太阳系新行星?
 

根据IAU(INTERNATIONAL ASTRONOMICAL UNION)
Q: Why is Pluto-Charon a “double planet” and not a “planet with a satellite”?
A: Both Pluto and Charon each are large enough (massive enough) to be spherical. Both bodies independently satisfy the definition of “planet”. The reason they are called a “double planet” is that their common centre of gravity is a point that is located in free space outside the surface of Pluto. Because both conditions are met: each body is “planet-like” and each body orbits around a point in free space that is not inside one of them, the system qualifies to be called a “double planet.”

注册了Pluto-Charon.com

请大家评价,谢谢!
~rusure

可是就目前的新聞看來，多出來的三顆小行星尚未有正式名稱的定案。但可想而知，一有結果肯定會有「內線人士」先跑去註冊。

冥王星和卡戎?
呵呵,有意思!