the.com/dwarf planets
pluto's revenge club: big enough to be round, too weak to clear its lane.
means a celestial body that orbits the sun and is massive enough to be spherical but hasn't gravitationally dominated its orbital neighborhood.
from coined in 2006 when the international astronomical union needed a category for pluto after new telescopes revealed a swarm of similar icy bodies in the kuiper belt, so instead of promoting them all to planets, they demoted pluto.
membership countfive officially recognized, hundreds suspected
pluto's neighborseris, makemake, haumea, ceres join the club
ceres locationonly one in the asteroid belt, not the outer dark
the rule brokenfailed to clear their orbit of debris