Related terms:
earth masses
uranus and neptune
outer planets
four gas giants
sistema solar
jupiter and saturn
outer solar system
terrestrial planets
oort cloud
scattered disc
planeet
giant planets
orbital resonance
natural satellites
inner solar system
interstellar space
quaoar
outer layers
kuiper belt
haumea
dysnomia
makemake
orcus
axial tilt
asteroid belt
interstellar medium
Wikipedia sources:
Gas giant
Planet
Solar System
Formation and evolution of the Solar System
Uranus
Planets beyond Neptune
Context for words:
gas
giants
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