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.
A UNIVERSE IS SOMETHING WHICH CONTAIN BILLIONS OF STAR, MANY GALAXIES , AS WELL AS ASTERIODS ........... THE SIZE OF UNIVERSE IN DEFINE AS INFINITY........
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Answer:
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.
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A UNIVERSE IS SOMETHING WHICH CONTAIN BILLIONS OF STAR, MANY GALAXIES , AS WELL AS ASTERIODS ........... THE SIZE OF UNIVERSE IN DEFINE AS INFINITY........
HOPE IT WILL HELP YOU DEAR.........
MARK ME AS A BRAINLIEST..........