Related terms:
icy
hubble
nebula
stellar
messier
cometary
nebulosa
milky way
telescope
brightest
luminosity
copernicus
solar mass
extrasolar
kuiper belt
crab nebula
metallicity
white dwarf
solar system
brown dwarfs
orbital zone
two galaxies
massive stars
galactic disc
galactic center
elliptical galaxy
stellar evolution
absolute magnitude
orbit around the sun
spitzer space telescope
Wikipedia sources:
Astronomer
Definition of planet
Nova
Geocentric model
A Trip to the Moon
Comet Shoemaker-Levy 9
Crab Nebula
Globular cluster
Spitzer Space Telescope
Charon (moon)
Orion Nebula
Ecliptic
Deep Impact (space mission)
Planetary nebula
Scattered disc
Messier object
Triton (moon)
Galileo affair
The Universe (TV series)
Universal Time
Brown dwarf
Habitable zone
Right ascension
Wolf-Rayet star
Subrahmanyan Chandrasekhar
Joseph Louis Lagrange
Epoch (reference date)
Galaxy formation and evolution
History of science in the Renaissance
Communication with Extraterrestrial Intelligence
Context for words:
astronomers
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