Related terms:
psr
habitable
libra
exoplanet
emit
habitable zone
pulsar
liquid water
gas giants
world ocean
brown dwarf
minimum mass
earth masses
extrasolar planet
red dwarf
main sequence
radial velocity
deuterium
luminosity
planetary system
extrasolar planets
terrestrial planet
terrestrial planets
surface temperature
planetary
gravitational microlensing
astronomers
dwarf planet
solar system
methane
Wikipedia sources:
Gliese 581 c
Gliese 581
Gliese 581 d
Super-Earth
Extrasolar planet
Planet
Extraterrestrial life
Brown dwarf
Ocean
Red dwarf
Terrestrial planet
Nature
Libra (constellation)
Betty and Barney Hill abduction
Context for words:
gliese
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