How the universe works "did the big bang really happen?"?
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THE EARLY UNIVERSE WAS HOT AND
DENSE. AS TIME PASSED THE UNIVERSE
EXPANDED, COOLED AND BECOME LESS
DENSE. THE BIG BANG THEORY CAN
EXPLAIN WHY THE UNIVERSE LOOKS
THE WAY IT DOES. IT EXPLAIN WHY
DISTANT GALAXIES ARE MOVING AWAY
FROM US, AND, WHY THE SPEED THAT
THEY
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Answer:
Yes
Explanation:
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