Definitions from Wiktionary (observable universe)
▸ noun: (astronomy) The extent of a universe within the cosmological horizon of an observer.
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▸ noun: (astronomy) The extent of a universe within the cosmological horizon of an observer.
Similar:
cosmological horizon,
cosmic event horizon,
particle horizon,
horizon,
celestial sphere,
Olbers' paradox,
error box,
cosmography,
field of view,
cosmological principle,
more...
Opposite:
Types:
▸ Words similar to observable universe
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▸ Wikipedia articles (New!)
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▸ Rhymes of observable universe
▸ Invented words related to observable universe