Related terms:
sun
disk
gliese
mass
dwarf
orbit
stellar
planets
extrasolar
accretion
abundance
galactic
red dwarf
planetary
luminosity
rocky planets
variable
astronomers
habitable zone
distance
confirmed
galactic center
discovery
solar system
extrasolar planet
terrestrial planet
gravitational
protoplanetary disk
constellation
galactic habitable zone
Wikipedia sources:
Planetary system
Vega
Nebular hypothesis
Orbit
HR 8799
55 Cancri
Gliese 581
Rare Earth hypothesis
Habitable zone
Context for words:
planetary
system
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