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Universe Billion Years Noun Existing Matter Space Considered

Front
noun
1
(
the universe
)
all existing matter and space considered as a whole
the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies
it has been expanding since its creation in the Big Bang about 13 billion years ago.
2
a particular sphere of activity or experience:
3
another term for universal set.

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