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