Related terms:
accretion
spiral galaxy
sagittarius
stellar
galactic
habitable zone
milky way
star formation
globular cluster
planetary system
galaxy
galactic habitable zone
supermassive black hole
black hole
central
solar system
believed
star
constellation
center
Wikipedia sources:
Milky Way
Galactic Center
Habitable zone
Rare Earth hypothesis
Supermassive black hole
Context for words:
galactic
center
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