Category
page 1Planetary systems
planetary system
set of non-stellar objects in orbit around a star
nebular hypothesis
astronomical theory that the Solar System formed from nebulous material
interplanetary medium
material which fills the Solar System
list of brown dwarfs
Wikimedia list article
list of nearest exoplanets
Wikimedia list article
exozodiacal dust
extrasolar analog of zodiacal dust
list of multiplanetary systems
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list of extrasolar planet extremes
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list of nearest terrestrial exoplanet candidates
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Sproul Observatory
observatory in Pennsylvania, United States (1913–2017)