accretion
accretion disk
Adrastea
Alphonsus (Moon)
Amalthea
Ananke
ansa
Ares Vallis (Mars)
Ariel
Aristarchus (Moon)
Atlas

Belinda
Bianca

Caliban
Callisto
Caloris Basin (Mercury)
Calypso
Carme
catastrophic hypothesis
Chamberlin-Moulton planetesimal hypothesis
Charon
Chryse Planitia (Mars)
Clavius (Moon)
Columbia Hills (Mars)
cometary collision hypothesis
Committee on Planetary and Lunar Exploration (COMPLEX)
Copernicus (Moon)
Cordelia
Cressida

Daphnis
Deimos
Desdemona
Despina
differential rotation
Dione
double planet
dwarf planet

Earth
Earth-class planet
eccentric Jovian
Elara
Elysium Planitia (Mars)
Enceladus
epistellar Jovian
Epimetheus
Europa
exoplanets

Galatea
Galilean satellites
Ganymede
gas giant
giant planet
Gusev Crater (Mars)

Helene
Hellas Planitia (Mars)
Himalia
Hyperion

Iapetus
Io
inward orbital migration
irregular moon
Isidis Planitia

Janus
Jeans-Jeffreys tidal hypothesis
Jovian
Juliet
Jupiter

Larissa
Leda
Lysithea

Mars
Mercury
Meridiani Planum (Mars)
Metis
Mimas
Miranda
Moon
moons, atmospheres

Naiad
nebular hypothesis
Neptune
Nereid

Oberon
OGLE-2005-BLG-390Lb
Olympus Mons (Mars)
Ophelia
Ovda Regio (Venus)

Pan
Pandora
Pasiphae
Phair, Venetia (1919–2009)
Phobos
Phoebe
planet
planet migration
Planet Nine
planet swallowing
planetary system
planetary systems, formation
Pluto
Pluto, moons
plutoid
pluton
Portia
Prometheus
Prospero
Proteus
protoplanet
protoplanetary disk
Puck
pulsar planets

Rhea
rogue planet
Rosalind

satellite
Saturn
Setebos
shepherd
Sinope
Stephano
Sycorax
Syrtis Major (Mars)

Telesto
terrestrial planet
Tethys
Thalassa
Tharsis Montes
Thebe
Theia
Themisto
Titan
Titania
Triton
Tycho (Moon)

Umbriel
Uranus      
Utopia Planitia (Mars)

Valles Marineris (Mars)
Venus
Vulcan