Related terms:
iau
ices
orcus
quaoar
sedna
haumea
varuna
dysnomia
plutoid
makemake
almagest
eris
scorpius
imagemap
minor planet
mike brown
clyde tombaugh
kuiper belt
charon
larger than pluto
axial tilt
celestial sphere
perihelion
dwarf planet
albedo
precession of the equinoxes
vernal equinox
ecliptic
space telescope
pluto
Wikipedia sources:
Planet
Constellation
Definition of planet
Eris (dwarf planet)
Precession (astronomy)
Pluto
Julian day
Zodiac
Context for words:
international
astronomical
union
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