Pluto has yet another brother. The International Astronomical Union has accepted the name Makemake for the newest family member of dwarf planets and the subgroup plutoids.
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Makemake (pronounced MAH-kay MAH-kay) is two-thirds the size of Pluto and slightly dimmer than the former planet. The new object — formerly known as 2005 FY9 — also has a reddish tinge. The name was recently accepted by the IAU after discussions circulated via email.
In June, the IAU decided that dwarf planets similar to Pluto would be called plutoids. The name distinguishes these objects, which sit beyond Neptune, from Ceres, a dwarf planet that sits in the asteroid belt between Mars and Jupiter.